diff --git a/locale/fr/LC_MESSAGES/rougail.po b/locale/fr/LC_MESSAGES/rougail.po
index 9d400540a..30399615f 100644
--- a/locale/fr/LC_MESSAGES/rougail.po
+++ b/locale/fr/LC_MESSAGES/rougail.po
@@ -5,8 +5,8 @@
 msgid ""
 msgstr ""
 "Project-Id-Version: \n"
-"POT-Creation-Date: 2025-05-08 21:35+0200\n"
-"PO-Revision-Date: 2025-05-08 21:37+0200\n"
+"POT-Creation-Date: 2025-05-12 08:45+0200\n"
+"PO-Revision-Date: 2025-05-12 08:52+0200\n"
 "Last-Translator: \n"
 "Language-Team: \n"
 "Language: fr\n"
@@ -16,31 +16,31 @@ msgstr ""
 "Generated-By: pygettext.py 1.5\n"
 "X-Generator: Poedit 3.5\n"
 
-#: src/rougail/annotator/family.py:152
+#: src/rougail/annotator/family.py:150
 msgid "default variable mode \"{0}\" is not a valid mode, valid modes are {1}"
 msgstr ""
 "le mode d'une variable par défaut \"{0}\" n'est pas un mode valide, les "
 "modes valides sont {1}"
 
-#: src/rougail/annotator/family.py:158
+#: src/rougail/annotator/family.py:156
 msgid "default family mode \"{0}\" is not a valid mode, valid modes are {1}"
 msgstr ""
 "le mode d'une famille par défaut \"{0}\" n'est pas un mode valide, les modes "
 "valides sont {1}"
 
-#: src/rougail/annotator/family.py:190
+#: src/rougail/annotator/family.py:188
 msgid "mode \"{0}\" for \"{1}\" is not a valid mode, valid modes are {2}"
 msgstr ""
 "le mode \"{0}\" pour \"{1}\" n'est pas un mode valide, les modes valides "
 "sont {2}"
 
-#: src/rougail/annotator/family.py:194
+#: src/rougail/annotator/family.py:192
 msgid "mode \"{0}\" for \"{1}\" is not a valid mode, no modes are available"
 msgstr ""
 "le mode \"{0}\" pour \"{1}\" n'est pas un mode valide, aucun mode ne sont "
 "définis"
 
-#: src/rougail/annotator/family.py:258
+#: src/rougail/annotator/family.py:256
 msgid ""
 "the variable \"{0}\" is mandatory so in \"{1}\" mode but family has the "
 "higher family mode \"{2}\""
@@ -48,7 +48,7 @@ msgstr ""
 "la variable \"{0}\" est obligatoire, donc en mode \"{1}\", mais la famille a "
 "un mode supérieur \"{2}\""
 
-#: src/rougail/annotator/family.py:296
+#: src/rougail/annotator/family.py:294
 msgid ""
 "the follower \"{0}\" is in \"{1}\" mode but leader have the higher mode "
 "\"{2}\""
@@ -56,7 +56,7 @@ msgstr ""
 "la variable suiveuse \"{0}\" a le mode \"{1}\" mais la variable leader a un "
 "mode supérieur \"{2}\""
 
-#: src/rougail/annotator/family.py:329
+#: src/rougail/annotator/family.py:327
 msgid ""
 "the family \"{0}\" is in \"{1}\" mode but variables and families inside have "
 "the higher modes \"{2}\""
@@ -64,7 +64,7 @@ msgstr ""
 "la famille \"{0}\" a le mode \"{1}\" mais les variables et les familles à "
 "l'intérieur ont des modes supérieurs \"{2}\""
 
-#: src/rougail/annotator/family.py:347
+#: src/rougail/annotator/family.py:345
 msgid ""
 "the variable \"{0}\" is in \"{1}\" mode but family has the higher family "
 "mode \"{2}\""
@@ -89,7 +89,7 @@ msgstr ""
 msgid "the variable \"{0}\" is a \"choice\" variable but don't have any choice"
 msgstr "la variable \"{0}\" a une variable à \"choix\" mais n'a aucun choix"
 
-#: src/rougail/annotator/value.py:135
+#: src/rougail/annotator/value.py:137
 msgid "the variable \"{0}\" is a \"regexp\" variable but don't have any regexp"
 msgstr ""
 "la variable \"{0}\" a une variable \"regexp\" mais n'a pas de \"regexp\""
@@ -102,14 +102,14 @@ msgstr ""
 "seul une variable de type \"unix_user\" ou \"secret\" peut avoir l'attribut "
 "\"secret_manager\", mais \"{0}\" a le type \"{1}\""
 
-#: src/rougail/annotator/variable.py:89
+#: src/rougail/annotator/variable.py:93
 msgid ""
 "the variable \"{0}\" has attribute \"secret_manager\" but is a multi variable"
 msgstr ""
 "la variable \"{0}\" a l'attribut \"secret_manager\" mais est une variable "
 "multiple"
 
-#: src/rougail/annotator/variable.py:92
+#: src/rougail/annotator/variable.py:98
 msgid ""
 "the variable \"{0}\" has attribute \"secret_manager\" so must not have "
 "default value"
@@ -117,19 +117,19 @@ msgstr ""
 "la variable \"{0}\" a l'attribut \"secret_manager\" donc ne devrait pas "
 "avoir de valeur par défaut"
 
-#: src/rougail/annotator/variable.py:202
+#: src/rougail/annotator/variable.py:227
 msgid ""
 "the variable \"{0}\" has regexp attribut but has not the \"regexp\" type"
 msgstr ""
 "la variable \"{0}\" a un attribut regexp mais n'a pas le type \"regexp\""
 
-#: src/rougail/annotator/variable.py:245
+#: src/rougail/annotator/variable.py:270
 msgid ""
 "the variable \"{0}\" has choices attribut but has not the \"choice\" type"
 msgstr ""
 "la variable \"{0}\" a un attribut choices mais n'a pas le type \"choice\""
 
-#: src/rougail/annotator/variable.py:273
+#: src/rougail/annotator/variable.py:298
 msgid ""
 "the variable \"{0}\" has an unvalid default value \"{1}\" should be in {2}"
 msgstr ""
@@ -203,11 +203,11 @@ msgstr "Le patron est au format Jinja"
 msgid "Select for {0}"
 msgstr "Sélection pour {0}"
 
-#: src/rougail/config.py:457
+#: src/rougail/config.py:458
 msgid "Override default parameters for option type"
 msgstr "Sur charger les paramètre par défaut pour le type d'option"
 
-#: src/rougail/config.py:460
+#: src/rougail/config.py:461
 msgid "Default parameters for option type"
 msgstr "Paramètre par défaut pour le type d'option"
 
@@ -219,19 +219,19 @@ msgstr "type {0} inconnu pour {1}"
 msgid "family \"{0}\" define multiple time"
 msgstr "la famille \"{0}\" est définit plusieurs fois"
 
-#: src/rougail/convert.py:667
+#: src/rougail/convert.py:668
 msgid "variable \"{0}\" define multiple time"
 msgstr "la variable \"{0}\" est définit plusieurs fois"
 
-#: src/rougail/convert.py:767
+#: src/rougail/convert.py:766
 msgid "params must be a dict for {0}"
 msgstr "params doit être une dict pour {0}"
 
-#: src/rougail/convert.py:788
+#: src/rougail/convert.py:787
 msgid "\"{0}\" has an invalid \"params\" for {1}: {2}"
 msgstr "\"{0}\" a un attribut \"params\" invalide pour {1}: {2}"
 
-#: src/rougail/convert.py:802
+#: src/rougail/convert.py:801
 msgid "secret_manager must be a dict for {0}"
 msgstr "secret_manager doit être une dict pour {0}"
 
@@ -246,8 +246,8 @@ msgstr ""
 "définition invalide pour la définition des \"structures\" ({0}), aucun "
 "fichier de structure ne peut être chargé !"
 
-#: src/rougail/error.py:67 src/rougail/tiramisu.py:50
-#: src/rougail/user_datas.py:253
+#: src/rougail/error.py:67 src/rougail/tiramisu.py:60
+#: src/rougail/user_datas.py:354 src/rougail/user_datas.py:357
 msgid "{0} in {1}"
 msgstr "{0} dans {1}"
 
@@ -255,41 +255,41 @@ msgstr "{0} dans {1}"
 msgid "unknown boolean value \"{0}\""
 msgstr "valeur du booléen inconnue \"{0}\""
 
-#: src/rougail/object_model.py:181
+#: src/rougail/object_model.py:187
 msgid "cannot find variable \"{0}\" defined in attribute \"{1}\" for \"{2}\""
 msgstr ""
 "ne peut trouver la variable \"{0}\" défini dans l'attribut \"{1}\" pour "
 "\"{2}\""
 
-#: src/rougail/object_model.py:185
+#: src/rougail/object_model.py:193
 msgid ""
 "the variable \"{0}\" is in fact a family in attribute \"{1}\" for \"{2}\""
 msgstr ""
 "la variable \"{0}\" est en faite une famille dans l'attribut \"{1}\" pour "
 "\"{2}\""
 
-#: src/rougail/object_model.py:188 src/rougail/object_model.py:478
+#: src/rougail/object_model.py:198 src/rougail/object_model.py:525
 msgid "unknown object \"{0}\" in attribute \"{1}\" for \"{2}\""
 msgstr "objet inconnu \"{0}\" dans l'attribut \"{1}\" pour \"{2}\""
 
-#: src/rougail/object_model.py:205
+#: src/rougail/object_model.py:217
 msgid ""
 "identifier parameter for \"{0}\" in \"{1}\" cannot be set none dynamic family"
 msgstr ""
 "le paramètre identifier pour \"{0}\" dans \"{1}\" ne peut être placé pour "
 "une famille non dynamique"
 
-#: src/rougail/object_model.py:228
+#: src/rougail/object_model.py:246
 msgid "cannot find variable \"{0}\" defined in \"{1}\" for \"{2}\""
 msgstr "ne peut trouver la variable \"{0}\" défini dans \"{1}\" pour \"{2}\""
 
-#: src/rougail/object_model.py:231
+#: src/rougail/object_model.py:251
 msgid "variable \"{0}\" defined in \"{1}\" for \"{2}\" is a dynamic variable"
 msgstr ""
 "la variable \"{0}\" défini dans \"{1}\" pour \"{2}\" est une variable "
 "dynamique"
 
-#: src/rougail/object_model.py:242
+#: src/rougail/object_model.py:268
 msgid ""
 "the variable \"{0}\" is not a follower, so cannot have index type for param "
 "in \"{1}\""
@@ -297,7 +297,7 @@ msgstr ""
 "la variable \"{0}\" n'est pas suiveuse, donc ne peut avoir de type index "
 "comme paramètre dans \"{1}\""
 
-#: src/rougail/object_model.py:475
+#: src/rougail/object_model.py:520
 msgid ""
 "a variable \"{0}\" is needs in attribute \"{1}\" for \"{2}\" but it's a "
 "family"
@@ -305,7 +305,7 @@ msgstr ""
 "une variable \"{0}\" est nécessaire pour l'attribut \"{1}\" pour \"{2}\" "
 "mais c'est une famille"
 
-#: src/rougail/object_model.py:495
+#: src/rougail/object_model.py:544
 msgid ""
 "variable \"{0}\" has an attribute \"{1}\" calculated with the unknown "
 "variable \"{2}\""
@@ -313,7 +313,7 @@ msgstr ""
 "la variable \"{0}\" a un attribut invalide \"{1}\" calculé avec la variable "
 "inconnue \"{2}\""
 
-#: src/rougail/object_model.py:531
+#: src/rougail/object_model.py:593
 msgid ""
 "the variable \"{0}\" has an invalid \"{1}\" the variable \"{2}\" is in a sub "
 "dynamic option"
@@ -321,14 +321,14 @@ msgstr ""
 "la variable \"{0}\" a un attribut invalide \"{1}\", la variable \"{2}\" est "
 "dans une sous option dynamique"
 
-#: src/rougail/object_model.py:534
+#: src/rougail/object_model.py:602
 msgid ""
 "the leader \"{0}\" has an invalid \"{1}\" the follower \"{2}\" is a multi"
 msgstr ""
 "la variable meneuse \"{0}\" a un attribut invalide \"{1}\", la variable "
 "suiveuse \"{2}\" est multiple"
 
-#: src/rougail/object_model.py:550
+#: src/rougail/object_model.py:644
 msgid ""
 "the variable \"{0}\" has an invalid attribute \"{1}\", the variable \"{2}\" "
 "must not be multi"
@@ -336,7 +336,7 @@ msgstr ""
 "la variable \"{0}\" a un attribut invalide \"{1}\", la variable \"{2}\" ne "
 "doit pas être multiple"
 
-#: src/rougail/object_model.py:555
+#: src/rougail/object_model.py:658
 msgid ""
 "the variable \"{0}\" has an invalid attribute \"{1}\", the variable must not "
 "be a multi or the variable \"{2}\" must be multi"
@@ -344,7 +344,7 @@ msgstr ""
 "la variable \"{0}\" a un attribut invalide \"{1}\", la variable ne doit pas "
 "être multiple ou la variable \"{2}\" doit être multiple"
 
-#: src/rougail/object_model.py:560
+#: src/rougail/object_model.py:672
 msgid ""
 "the variable \"{0}\" has an invalid attribute \"{1}\", the variable must be "
 "a multi or the variable \"{2}\" must not be multi"
@@ -352,7 +352,7 @@ msgstr ""
 "la variable \"{0}\" a un attribut invalide \"{1}\", la variable doit être "
 "multiple ou la variable \"{2}\" ne doit pas être multiple"
 
-#: src/rougail/object_model.py:565
+#: src/rougail/object_model.py:686
 msgid ""
 "the variable \"{0}\" has an invalid attribute \"{1}\", the variable \"{2}\" "
 "is multi but is inside a list"
@@ -360,7 +360,7 @@ msgstr ""
 "la variable \"{0}\" a un attribut invalide \"{1}\", la variable \"{2}\" est "
 "multiple mais est dans une liste"
 
-#: src/rougail/object_model.py:579
+#: src/rougail/object_model.py:704
 msgid ""
 "\"{0}\" attribut shall not have an \"optional\" attribute for variable "
 "\"{1}\""
@@ -368,7 +368,7 @@ msgstr ""
 "l'attribut \"{0}\"  ne devrait pas avoir d'attribut \"optional\" pour la "
 "variable \"{1}\""
 
-#: src/rougail/object_model.py:591
+#: src/rougail/object_model.py:724
 msgid ""
 "variable \"{0}\" has a default value calculated with \"{1}\" which has "
 "incompatible type"
@@ -376,7 +376,7 @@ msgstr ""
 "la variable \"{0}\" a une valeur par défaut calculé a partir de \"{1}\" "
 "laquelle a un type incompatible"
 
-#: src/rougail/object_model.py:629
+#: src/rougail/object_model.py:770
 msgid ""
 "\"when\" is not allowed in format version 1.0 for attribute \"{0}\" for "
 "variable \"{1}\""
@@ -384,7 +384,7 @@ msgstr ""
 "\"when\" n'est pas autorisé avec le format en version 1.0 pour l'attribut "
 "\"{0}\" pour la variable \"{1}\""
 
-#: src/rougail/object_model.py:632
+#: src/rougail/object_model.py:775
 msgid ""
 "the variable \"{0}\" has an invalid attribute \"{1}\", \"when\" and "
 "\"when_not\" cannot set together"
@@ -392,7 +392,7 @@ msgstr ""
 "la variable \"{0}\" a un attribut invalide \"{1}\", \"when\" et \"when_not\" "
 "ne peuvent pas être défini ensemble"
 
-#: src/rougail/object_model.py:638
+#: src/rougail/object_model.py:783
 msgid ""
 "\"when_not\" is not allowed in format version 1.0 for attribute \"{0}\" for "
 "variable \"{1}\""
@@ -400,7 +400,7 @@ msgstr ""
 "\"when_not\" n'est pas autorisé au format 1.0 pour l'attribut \"{0}\" pour "
 "la variable variable \"{1}\""
 
-#: src/rougail/object_model.py:693
+#: src/rougail/object_model.py:840
 msgid ""
 "cannot find variable \"{0}\" for the information \"{1}\" when calculating "
 "\"{2}\""
@@ -408,18 +408,18 @@ msgstr ""
 "ne peut trouver la variable \"{0}\" pour l'information \"{1}\" lors du "
 "calcul de \"{2}\""
 
-#: src/rougail/object_model.py:696
+#: src/rougail/object_model.py:845
 msgid ""
 "identifier not allowed for the information \"{0}\" when calculating \"{1}\""
 msgstr ""
 "identifier n'est pas autorisé pour l'information \"{0}\" lors du calcul de "
 "\"{1}\""
 
-#: src/rougail/object_model.py:747
+#: src/rougail/object_model.py:898
 msgid "\"when\" is not allowed in format version 1.0 for attribute \"{0}\""
 msgstr "\"when\" n'est pas autorisé au format 1.0 pour l'attribut \"{0}\""
 
-#: src/rougail/object_model.py:751 src/rougail/object_model.py:759
+#: src/rougail/object_model.py:904 src/rougail/object_model.py:914
 msgid ""
 "the identifier has an invalid attribute \"{0}\", \"when\" and \"when_not\" "
 "cannot set together"
@@ -427,7 +427,7 @@ msgstr ""
 "l'identifiant a un attribut invalide \"{0}\", \"when\" et \"when_not\" ne "
 "peuvent pas être défini ensemble"
 
-#: src/rougail/object_model.py:782
+#: src/rougail/object_model.py:939
 msgid ""
 "the variable \"{0}\" is not a follower, so cannot have index type for \"{1}\""
 msgstr ""
@@ -480,7 +480,7 @@ msgstr ""
 "Répertoires où sont placés les fichiers de structure de l'espace de nom "
 "supplémentaire"
 
-#: src/rougail/tiramisu.py:175
+#: src/rougail/tiramisu.py:187
 msgid ""
 "cannot calculating \"{0}\" attribute for variable \"{1}\" in {2} with "
 "parameters \"{3}\": {4}"
@@ -488,34 +488,95 @@ msgstr ""
 "ne peut calculer l'attribut \"{0}\" pour la variable \"{1}\" dans {2} avec "
 "les paramètres \"{3}\" : {4}"
 
-#: src/rougail/tiramisureflector.py:364
+#: src/rougail/tiramisureflector.py:363
 msgid "internal error, {0} is not a dynamic variable"
 msgstr "erreur interne, \"{0}\" n'est pas une variable dynamique"
 
-#: src/rougail/user_datas.py:116
+#: src/rougail/user_datas.py:118
 msgid ""
 "cannot load variable path \"{0}\", the identifier \"{1}\" is not valid in {2}"
 msgstr ""
 "ne peut charger la variable \"{0}\", l'identifiant \"{1}\" n'est pas valide "
 "dans {2}"
 
-#: src/rougail/user_datas.py:171
+#: src/rougail/user_datas.py:196
 msgid "the variable \"{0}\" contains secrets and should not be defined in {1}"
 msgstr ""
 "la variable \"{0}\" contient des secrets et ne devrait pas être défini dans "
 "{1}"
 
-#: src/rougail/user_datas.py:236
-msgid ""
-"the variable \"{0}\" is a family, so cannot set the value \"{1}\" in {2}"
-msgstr ""
-"la variable \"{0}\" est une famille, donc ne peut avoir l'avoir \"{1}\" dans "
-"{2}"
+#: src/rougail/user_datas.py:218
+msgid "loaded from {0}"
+msgstr "chargée depuis {0}"
 
-#: src/rougail/user_datas.py:251
+#: src/rougail/user_datas.py:258
+msgid ""
+"cannot set the value \"{0}\" to the family {1}, it will be ignored when "
+"loading from {2}"
+msgstr ""
+"impossible de définir la valeur \"{0}\" à la famille {1}, elle sera ignorée "
+"lors du chargement depuis {0}"
+
+#: src/rougail/user_datas.py:270
+msgid ""
+"variable or family \"{0}\" does not exist, it will be ignored when loading "
+"from {1}"
+msgstr ""
+"la variable ou la famille \"{0}\" n'existe pas, elle sera ignorée lors du "
+"chargement depuis {1}"
+
+#: src/rougail/user_datas.py:276
+msgid ""
+"\"{0}\" is the name of a dynamic family, it will be ignored when loading "
+"from {1}"
+msgstr ""
+"\"{0}\" est le nom d'une famille dynamique, il sera ignoré lors du "
+"chargement depuis {1}"
+
+#: src/rougail/user_datas.py:282
 msgid "{0} loaded from {1}"
 msgstr "{0} chargée depuis {1}"
 
+#: src/rougail/user_datas.py:311
+msgid ""
+"variable {0} at index \"{1}\" is {2}, it will be ignored when loading from "
+"{3}"
+msgstr ""
+"la variable {0} à l'index \"{1}\" est {2}, elle sera ignorée lors du "
+"chargement depuis {3}"
+
+#: src/rougail/user_datas.py:322
+msgid ""
+"family {0} is {1}, {2} at index \"{3}\" will be ignored when loading from {4}"
+msgstr ""
+"la famille {0} est {1}, {2} à l'index \"{3}\" sera ignorée lors du "
+"chargement depuis {4}"
+
+#: src/rougail/user_datas.py:335
+msgid "variable {0} is {1}, it will be ignored when loading from {2}"
+msgstr ""
+"la variable {0} est {1}, elle sera ignorée lors du chargement depuis {2}"
+
+#: src/rougail/user_datas.py:343
+msgid "family {0} is {1}, {2} will be ignored when loading from {3}"
+msgstr "la famille {0} est {1}, {2} sera ignorée lors du chargement depuis {3}"
+
+#: src/rougail/user_datas.py:362
+msgid ""
+"the value \"{0}\" is invalid for {1} at index \"{2}\", {3}, it will be "
+"ignored when loading from {4}"
+msgstr ""
+"la valeur \"{0}\" n'est pas valide pour {1} à l'index \"{2}\", {3}, elle "
+"sera ignorée lors du chargement depuis {4}"
+
+#: src/rougail/user_datas.py:373
+msgid ""
+"the value \"{0}\" is invalid for {1}, {2}, it will be ignored when loading "
+"from {3}"
+msgstr ""
+"la valeur \"{0}\" n'est pas valide pour {1}, {2}, elle sera ignorée lors du "
+"chargement depuis {3}"
+
 #: src/rougail/utils.py:55
 msgid ""
 "invalid variable or family name \"{0}\" must only contains lowercase ascii "
@@ -528,6 +589,12 @@ msgstr ""
 msgid "error in jinja \"{0}\" for the variable \"{1}\": {2}"
 msgstr "erreur dans Jinja \"{0}\" pour la variable \"{1}\": {2}"
 
+#~ msgid ""
+#~ "the variable \"{0}\" is a family, so cannot set the value \"{1}\" in {2}"
+#~ msgstr ""
+#~ "la variable \"{0}\" est une famille, donc ne peut avoir l'avoir \"{1}\" "
+#~ "dans {2}"
+
 #~ msgid "the follower \"{0}\" without multi attribute can only have one value"
 #~ msgstr ""
 #~ "la variable suiveuse \"{0}\" sans l'attribut multi peut avoir seulement "
diff --git a/locale/rougail.pot b/locale/rougail.pot
index 74ce1ee1d..afeb37be9 100644
--- a/locale/rougail.pot
+++ b/locale/rougail.pot
@@ -5,7 +5,7 @@
 msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
-"POT-Creation-Date: 2025-05-08 21:37+0200\n"
+"POT-Creation-Date: 2025-05-12 08:52+0200\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
 "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
 "Language-Team: LANGUAGE <LL@li.org>\n"
@@ -15,35 +15,35 @@ msgstr ""
 "Generated-By: pygettext.py 1.5\n"
 
 
-#: src/rougail/annotator/family.py:152
+#: src/rougail/annotator/family.py:150
 msgid "default variable mode \"{0}\" is not a valid mode, valid modes are {1}"
 msgstr ""
 
-#: src/rougail/annotator/family.py:158
+#: src/rougail/annotator/family.py:156
 msgid "default family mode \"{0}\" is not a valid mode, valid modes are {1}"
 msgstr ""
 
-#: src/rougail/annotator/family.py:190
+#: src/rougail/annotator/family.py:188
 msgid "mode \"{0}\" for \"{1}\" is not a valid mode, valid modes are {2}"
 msgstr ""
 
-#: src/rougail/annotator/family.py:194
+#: src/rougail/annotator/family.py:192
 msgid "mode \"{0}\" for \"{1}\" is not a valid mode, no modes are available"
 msgstr ""
 
-#: src/rougail/annotator/family.py:258
+#: src/rougail/annotator/family.py:256
 msgid "the variable \"{0}\" is mandatory so in \"{1}\" mode but family has the higher family mode \"{2}\""
 msgstr ""
 
-#: src/rougail/annotator/family.py:296
+#: src/rougail/annotator/family.py:294
 msgid "the follower \"{0}\" is in \"{1}\" mode but leader have the higher mode \"{2}\""
 msgstr ""
 
-#: src/rougail/annotator/family.py:329
+#: src/rougail/annotator/family.py:327
 msgid "the family \"{0}\" is in \"{1}\" mode but variables and families inside have the higher modes \"{2}\""
 msgstr ""
 
-#: src/rougail/annotator/family.py:347
+#: src/rougail/annotator/family.py:345
 msgid "the variable \"{0}\" is in \"{1}\" mode but family has the higher family mode \"{2}\""
 msgstr ""
 
@@ -59,7 +59,7 @@ msgstr ""
 msgid "the variable \"{0}\" is a \"choice\" variable but don't have any choice"
 msgstr ""
 
-#: src/rougail/annotator/value.py:135
+#: src/rougail/annotator/value.py:137
 msgid "the variable \"{0}\" is a \"regexp\" variable but don't have any regexp"
 msgstr ""
 
@@ -67,23 +67,23 @@ msgstr ""
 msgid "only \"unix_user\" or \"secret\" variable type can have \"secret_manager\" attribute, but \"{0}\" has type \"{1}\""
 msgstr ""
 
-#: src/rougail/annotator/variable.py:89
+#: src/rougail/annotator/variable.py:93
 msgid "the variable \"{0}\" has attribute \"secret_manager\" but is a multi variable"
 msgstr ""
 
-#: src/rougail/annotator/variable.py:92
+#: src/rougail/annotator/variable.py:98
 msgid "the variable \"{0}\" has attribute \"secret_manager\" so must not have default value"
 msgstr ""
 
-#: src/rougail/annotator/variable.py:202
+#: src/rougail/annotator/variable.py:227
 msgid "the variable \"{0}\" has regexp attribut but has not the \"regexp\" type"
 msgstr ""
 
-#: src/rougail/annotator/variable.py:245
+#: src/rougail/annotator/variable.py:270
 msgid "the variable \"{0}\" has choices attribut but has not the \"choice\" type"
 msgstr ""
 
-#: src/rougail/annotator/variable.py:273
+#: src/rougail/annotator/variable.py:298
 msgid "the variable \"{0}\" has an unvalid default value \"{1}\" should be in {2}"
 msgstr ""
 
@@ -151,11 +151,11 @@ msgstr ""
 msgid "Select for {0}"
 msgstr ""
 
-#: src/rougail/config.py:457
+#: src/rougail/config.py:458
 msgid "Override default parameters for option type"
 msgstr ""
 
-#: src/rougail/config.py:460
+#: src/rougail/config.py:461
 msgid "Default parameters for option type"
 msgstr ""
 
@@ -167,19 +167,19 @@ msgstr ""
 msgid "family \"{0}\" define multiple time"
 msgstr ""
 
-#: src/rougail/convert.py:667
+#: src/rougail/convert.py:668
 msgid "variable \"{0}\" define multiple time"
 msgstr ""
 
-#: src/rougail/convert.py:767
+#: src/rougail/convert.py:766
 msgid "params must be a dict for {0}"
 msgstr ""
 
-#: src/rougail/convert.py:788
+#: src/rougail/convert.py:787
 msgid "\"{0}\" has an invalid \"params\" for {1}: {2}"
 msgstr ""
 
-#: src/rougail/convert.py:802
+#: src/rougail/convert.py:801
 msgid "secret_manager must be a dict for {0}"
 msgstr ""
 
@@ -191,8 +191,8 @@ msgstr ""
 msgid "invalid \"structural\" definition ({0}), we cannot load any structural file!"
 msgstr ""
 
-#: src/rougail/error.py:67 src/rougail/tiramisu.py:50
-#: src/rougail/user_datas.py:253
+#: src/rougail/error.py:67 src/rougail/tiramisu.py:60
+#: src/rougail/user_datas.py:354 src/rougail/user_datas.py:357
 msgid "{0} in {1}"
 msgstr ""
 
@@ -200,103 +200,103 @@ msgstr ""
 msgid "unknown boolean value \"{0}\""
 msgstr ""
 
-#: src/rougail/object_model.py:181
+#: src/rougail/object_model.py:187
 msgid "cannot find variable \"{0}\" defined in attribute \"{1}\" for \"{2}\""
 msgstr ""
 
-#: src/rougail/object_model.py:185
+#: src/rougail/object_model.py:193
 msgid "the variable \"{0}\" is in fact a family in attribute \"{1}\" for \"{2}\""
 msgstr ""
 
-#: src/rougail/object_model.py:188 src/rougail/object_model.py:478
+#: src/rougail/object_model.py:198 src/rougail/object_model.py:525
 msgid "unknown object \"{0}\" in attribute \"{1}\" for \"{2}\""
 msgstr ""
 
-#: src/rougail/object_model.py:205
+#: src/rougail/object_model.py:217
 msgid "identifier parameter for \"{0}\" in \"{1}\" cannot be set none dynamic family"
 msgstr ""
 
-#: src/rougail/object_model.py:228
+#: src/rougail/object_model.py:246
 msgid "cannot find variable \"{0}\" defined in \"{1}\" for \"{2}\""
 msgstr ""
 
-#: src/rougail/object_model.py:231
+#: src/rougail/object_model.py:251
 msgid "variable \"{0}\" defined in \"{1}\" for \"{2}\" is a dynamic variable"
 msgstr ""
 
-#: src/rougail/object_model.py:242
+#: src/rougail/object_model.py:268
 msgid "the variable \"{0}\" is not a follower, so cannot have index type for param in \"{1}\""
 msgstr ""
 
-#: src/rougail/object_model.py:475
+#: src/rougail/object_model.py:520
 msgid "a variable \"{0}\" is needs in attribute \"{1}\" for \"{2}\" but it's a family"
 msgstr ""
 
-#: src/rougail/object_model.py:495
+#: src/rougail/object_model.py:544
 msgid "variable \"{0}\" has an attribute \"{1}\" calculated with the unknown variable \"{2}\""
 msgstr ""
 
-#: src/rougail/object_model.py:531
+#: src/rougail/object_model.py:593
 msgid "the variable \"{0}\" has an invalid \"{1}\" the variable \"{2}\" is in a sub dynamic option"
 msgstr ""
 
-#: src/rougail/object_model.py:534
+#: src/rougail/object_model.py:602
 msgid "the leader \"{0}\" has an invalid \"{1}\" the follower \"{2}\" is a multi"
 msgstr ""
 
-#: src/rougail/object_model.py:550
+#: src/rougail/object_model.py:644
 msgid "the variable \"{0}\" has an invalid attribute \"{1}\", the variable \"{2}\" must not be multi"
 msgstr ""
 
-#: src/rougail/object_model.py:555
+#: src/rougail/object_model.py:658
 msgid "the variable \"{0}\" has an invalid attribute \"{1}\", the variable must not be a multi or the variable \"{2}\" must be multi"
 msgstr ""
 
-#: src/rougail/object_model.py:560
+#: src/rougail/object_model.py:672
 msgid "the variable \"{0}\" has an invalid attribute \"{1}\", the variable must be a multi or the variable \"{2}\" must not be multi"
 msgstr ""
 
-#: src/rougail/object_model.py:565
+#: src/rougail/object_model.py:686
 msgid "the variable \"{0}\" has an invalid attribute \"{1}\", the variable \"{2}\" is multi but is inside a list"
 msgstr ""
 
-#: src/rougail/object_model.py:579
+#: src/rougail/object_model.py:704
 msgid "\"{0}\" attribut shall not have an \"optional\" attribute for variable \"{1}\""
 msgstr ""
 
-#: src/rougail/object_model.py:591
+#: src/rougail/object_model.py:724
 msgid "variable \"{0}\" has a default value calculated with \"{1}\" which has incompatible type"
 msgstr ""
 
-#: src/rougail/object_model.py:629
+#: src/rougail/object_model.py:770
 msgid "\"when\" is not allowed in format version 1.0 for attribute \"{0}\" for variable \"{1}\""
 msgstr ""
 
-#: src/rougail/object_model.py:632
+#: src/rougail/object_model.py:775
 msgid "the variable \"{0}\" has an invalid attribute \"{1}\", \"when\" and \"when_not\" cannot set together"
 msgstr ""
 
-#: src/rougail/object_model.py:638
+#: src/rougail/object_model.py:783
 msgid "\"when_not\" is not allowed in format version 1.0 for attribute \"{0}\" for variable \"{1}\""
 msgstr ""
 
-#: src/rougail/object_model.py:693
+#: src/rougail/object_model.py:840
 msgid "cannot find variable \"{0}\" for the information \"{1}\" when calculating \"{2}\""
 msgstr ""
 
-#: src/rougail/object_model.py:696
+#: src/rougail/object_model.py:845
 msgid "identifier not allowed for the information \"{0}\" when calculating \"{1}\""
 msgstr ""
 
-#: src/rougail/object_model.py:747
+#: src/rougail/object_model.py:898
 msgid "\"when\" is not allowed in format version 1.0 for attribute \"{0}\""
 msgstr ""
 
-#: src/rougail/object_model.py:751 src/rougail/object_model.py:759
+#: src/rougail/object_model.py:904 src/rougail/object_model.py:914
 msgid "the identifier has an invalid attribute \"{0}\", \"when\" and \"when_not\" cannot set together"
 msgstr ""
 
-#: src/rougail/object_model.py:782
+#: src/rougail/object_model.py:939
 msgid "the variable \"{0}\" is not a follower, so cannot have index type for \"{1}\""
 msgstr ""
 
@@ -340,30 +340,66 @@ msgstr ""
 msgid "Directories where extra dictionary files are placed"
 msgstr ""
 
-#: src/rougail/tiramisu.py:175
+#: src/rougail/tiramisu.py:187
 msgid "cannot calculating \"{0}\" attribute for variable \"{1}\" in {2} with parameters \"{3}\": {4}"
 msgstr ""
 
-#: src/rougail/tiramisureflector.py:364
+#: src/rougail/tiramisureflector.py:363
 msgid "internal error, {0} is not a dynamic variable"
 msgstr ""
 
-#: src/rougail/user_datas.py:116
+#: src/rougail/user_datas.py:118
 msgid "cannot load variable path \"{0}\", the identifier \"{1}\" is not valid in {2}"
 msgstr ""
 
-#: src/rougail/user_datas.py:171
+#: src/rougail/user_datas.py:196
 msgid "the variable \"{0}\" contains secrets and should not be defined in {1}"
 msgstr ""
 
-#: src/rougail/user_datas.py:236
-msgid "the variable \"{0}\" is a family, so cannot set the value \"{1}\" in {2}"
+#: src/rougail/user_datas.py:218
+msgid "loaded from {0}"
 msgstr ""
 
-#: src/rougail/user_datas.py:251
+#: src/rougail/user_datas.py:258
+msgid "cannot set the value \"{0}\" to the family {1}, it will be ignored when loading from {2}"
+msgstr ""
+
+#: src/rougail/user_datas.py:270
+msgid "variable or family \"{0}\" does not exist, it will be ignored when loading from {1}"
+msgstr ""
+
+#: src/rougail/user_datas.py:276
+msgid "\"{0}\" is the name of a dynamic family, it will be ignored when loading from {1}"
+msgstr ""
+
+#: src/rougail/user_datas.py:282
 msgid "{0} loaded from {1}"
 msgstr ""
 
+#: src/rougail/user_datas.py:311
+msgid "variable {0} at index \"{1}\" is {2}, it will be ignored when loading from {3}"
+msgstr ""
+
+#: src/rougail/user_datas.py:322
+msgid "family {0} is {1}, {2} at index \"{3}\" will be ignored when loading from {4}"
+msgstr ""
+
+#: src/rougail/user_datas.py:335
+msgid "variable {0} is {1}, it will be ignored when loading from {2}"
+msgstr ""
+
+#: src/rougail/user_datas.py:343
+msgid "family {0} is {1}, {2} will be ignored when loading from {3}"
+msgstr ""
+
+#: src/rougail/user_datas.py:362
+msgid "the value \"{0}\" is invalid for {1} at index \"{2}\", {3}, it will be ignored when loading from {4}"
+msgstr ""
+
+#: src/rougail/user_datas.py:373
+msgid "the value \"{0}\" is invalid for {1}, {2}, it will be ignored when loading from {3}"
+msgstr ""
+
 #: src/rougail/utils.py:55
 msgid "invalid variable or family name \"{0}\" must only contains lowercase ascii character, number or _"
 msgstr ""
diff --git a/src/rougail/locale/fr/LC_MESSAGES/rougail.mo b/src/rougail/locale/fr/LC_MESSAGES/rougail.mo
index 571995390..b201d2f17 100644
Binary files a/src/rougail/locale/fr/LC_MESSAGES/rougail.mo and b/src/rougail/locale/fr/LC_MESSAGES/rougail.mo differ