ET版本:8
Unity版本:2021.3.10
Net版本: .Net 7.0
编辑器下运行正常，打包到PC端运行时报错：
init fiber fail: Main System.NullReferenceException: Object reference not set to an instance of an object.
at ET.ETAsyncTaskMethodBuilder.Start[TStateMachine] (TStateMachine& stateMachine) [0×00008] in E:\Repository\TownOfDesire\Unity\Assets\Scripts\ThirdParty\ETTask\AsyncETTaskMethodBuilder.cs:71
at ET.ETAsyncTaskMethodBuilder.Start[TStateMachine] (TStateMachine& stateMachine) [0×00008] in E:\Repository\TownOfDesire\Unity\Assets\Scripts\ThirdParty\ETTask\AsyncETTaskMethodBuilder.cs:71
at ET.EventSystem.Invoke[A,T] (System.Int64 type, A args) [0×000d6] in E:\Repository\TownOfDesire\Unity\Assets\Scripts\Core\World\Module\EventSystem\EventSystem.cs:192
at ET.FiberManager+<>cDisplayClass8_1.<Create>b0 () [0×00081] in E:\Repository\TownOfDesire\Unity\Assets\Scripts\Core\World\Module\Fiber\FiberManager.cs:84
at System.Runtime.CompilerServices.AsyncVoidMethodBuilder.Start[TStateMachine] (TStateMachine& stateMachine) [0×00000] in <00000000000000000000000000000000>:0
at ET.FiberManager+<>cDisplayClass8_1.<Create>b0 () [0×00000] in <00000000000000000000000000000000>:0
at ET.ThreadSynchronizationContext.Update () [0×00027] in E:\Repository\TownOfDesire\Unity\Assets\Scripts\Core\ThreadSynchronizationContext.cs:25
at ET.Fiber.LateUpdate () [0×0001b] in E:\Repository\TownOfDesire\Unity\Assets\Scripts\Core\Fiber\Fiber.cs:122
at ET.MainThreadScheduler.LateUpdate () [0×0005d] in E:\Repository\TownOfDesire\Unity\Assets\Scripts\Core\World\Module\Fiber\MainThreadScheduler.cs:79
at ET.FiberManager.LateUpdate () [0×00007] in E:\Repository\TownOfDesire\Unity\Assets\Scripts\Core\World\Module\Fiber\FiberManager.cs:46
at ET.Init.LateUpdate () [0×0000c] in E:\Repository\TownOfDesire\Unity\Assets\Scripts\Loader\MonoBehaviour\Init.cs:65
--- End of stack trace from previous location where exception was thrown —
请问会是什么原因导致的，怎么解决