Non-nullable property 'Group' must contain a non-null value when exiting constructor. Consider adding the 'required' modifier or declaring the property as nullable.

Non-nullable property 'Theme' must contain a non-null value when exiting constructor. Consider adding the 'required' modifier or declaring the property as nullable.

Non-nullable property 'LocalizationService' must contain a non-null value when exiting constructor. Consider adding the 'required' modifier or declaring the property as nullable.

Non-nullable property 'LayoutType' must contain a non-null value when exiting constructor. Consider adding the 'required' modifier or declaring the property as nullable.

Non-nullable field 'gitHubDemoUrl' must contain a non-null value when exiting constructor. Consider adding the 'required' modifier or declaring the field as nullable.

Nullability of reference types in type of parameter 'sender' of 'void TopMenu.OnLocationChanged(object sender, LocationChangedEventArgs e)' doesn't match the target delegate 'EventHandler<LocationChangedEventArgs>' (possibly because of nullability attributes).

Cannot convert null literal to non-nullable reference type.

Nullability of reference types in type of parameter 'sender' of 'void TopMenu.OnLocationChanged(object sender, LocationChangedEventArgs e)' doesn't match the target delegate 'EventHandler<LocationChangedEventArgs>' (possibly because of nullability attributes).

Possible null reference argument for parameter 'jobTypeName' in 'Task BlazoriseJob.OnJobClassValueChanged(string jobTypeName)'.