A type declaration was detected that is incompatible with the predefined type of the imported "Age" vocabulary. In general, it is not necessary to declare a type because information are retrieved from the import definition.
This wiki has set French as its global content language therefore property typing requires to either use Has type or the French equivalent in order to match the correct type annotation, unless you specify a page content language.
Be aware of the decimal punctuation used in Corresponds to value definitions (you may have a look at Property:Has area on how to set a page content language in order to use a different punctuation)
