["No attribute \"description\" for \"rougail.my_variable\" in \"../../rougail-tests/structures/00_9default_calculation_multi_optional/rougail/00-base.yml\"", "No attribute \"description\" for \"rougail.my_calculated_variable\" in \"../../rougail-tests/structures/00_9default_calculation_multi_optional/rougail/00-base.yml\""]