Видео ютуба по тегу Error: Field 'Wlanguage' Cannot Be Nullable Or Have Type 'Null' It Must Be `Int` `Double` `Pointer`

Resolving the wLanguage Error in Flutter
Resolving the wLanguage Error in Flutter
Error: Field 'wLanguage' cannot be nullable or have type 'Null', it must be int, double, Pointer,...
Error: Field 'wLanguage' cannot be nullable or have type 'Null', it must be int, double, Pointer,...
Error: Field 'wLanguage' cannot be nullable or have type 'Null', it must be `int`, `double`, `Poi...
Error: Field 'wLanguage' cannot be nullable or have type 'Null', it must be `int`, `double`, `Poi...