System.InvalidCastException: Specified cast is not valid.
at (wrapper castclass) System.Object.__castclass_with_cache(object,intptr,intptr)
at ET.Singleton`1[T].Register () [0×00000] in D:\ET\Unity\Assets\Scripts\Core\World\Singleton.cs:35
at ET.World.AddSingleton (ET.ASingleton singleton) [0×00040] in D:\ET\Unity\Assets\Scripts\Core\World\World.cs:98
at ET.CodeTypes.CreateCode () [0×00030] in D:\ET\Unity\Assets\Scripts\Core\World\Module\Code\CodeTypes.cs:61
at ET.Entry.StartAsync () [0×00070] in D:\ET\Unity\Assets\Scripts\Model\Share\Entry.cs:48
at ET.ETTask.GetResult () [0×00030] in D:\ET\Unity\Assets\Scripts\ThirdParty\ETTask\ETTask.cs:126
at ET.ETTask.InnerCoroutine () [0×00018] in D:\ET\Unity\Assets\Scripts\ThirdParty\ETTask\ETTask.cs:71