this is the following error
Assets/scripts/Managers/PlayfabPlayersData.cs(5,15): error CS0234: The type or namespace name `ServerModels' does not exist in the namespace `PlayFab'. Are you missing an assembly reference?
Assets/scripts/Managers/PlayfabPlayersData.cs(79,25): error CS0246: The type or namespace name `UpdateUserDataResult' could not be found. Are you missing `PlayFab.ClientModels' using directive?