Nullability of reference types in type of parameter 'value' of 'void ShellView.ViewModel.set' doesn't match implicitly implemented member 'void IViewFor<ShellViewModel>.ViewModel.set' (possibly because of nullability attributes).

Nullability of reference types in type of parameter 'value' doesn't match implemented member 'void IViewFor.ViewModel.set' (possibly because of nullability attributes).

Cannot convert null literal to non-nullable reference type.

Nullability of reference types in type of parameter 'value' of 'void ItemsDDView.ViewModel.set' doesn't match implicitly implemented member 'void IViewFor<ItemsDDViewModel>.ViewModel.set' (possibly because of nullability attributes).

Nullability of reference types in type of parameter 'value' doesn't match implemented member 'void IViewFor.ViewModel.set' (possibly because of nullability attributes).

Nullability of reference types in type of parameter 'value' of 'void ItemsView.ViewModel.set' doesn't match implicitly implemented member 'void IViewFor<ItemsViewModel>.ViewModel.set' (possibly because of nullability attributes).

Nullability of reference types in type of parameter 'value' doesn't match implemented member 'void IViewFor.ViewModel.set' (possibly because of nullability attributes).

Nullability of reference types in type of parameter 'value' of 'void ItemTagsView.ViewModel.set' doesn't match implicitly implemented member 'void IViewFor<ItemTagsViewModel>.ViewModel.set' (possibly because of nullability attributes).

Nullability of reference types in type of parameter 'value' doesn't match implemented member 'void IViewFor.ViewModel.set' (possibly because of nullability attributes).