Assembly 'Assets/ExternalDependencyManager/Editor/1.2.185/Google.IOSResolver.dll' will not be loaded due to errors..
Install IOS module to your Unity editor.
Error (active) CS0234 The type or namespace name 'Messaging' does not exist in the namespace 'Firebase' (are you missing an assembly reference?) Assembly-CSharp Assets\Scripts\PushNotifications.cs 23