MissingReferenceException ChoiceHandlerButton in Simple Project
Posted: 28 Apr 2023 23:06
Hi there, I have started getting this error in my simple project.
This always happens after the scripts show one set of choices, followed by a second set and then a text block.
This is how it happens:
1) Text
2) 2 Choices
3) Text
4) 2 Choices
5) Text <-- breaks here
The project was not doing this before, so I seem to have gotten it into a weird state; any idea what the problem could be?
The CommandParameterData.getValue lambda in ChoiceHandlerData.AddCommandParameters is referencing null 'choice'. If I add a null check in there it suppresses the problem, though I suspect there is still an underlying problem.
Thanks!
Code: Select all
UnityEngine.MissingReferenceException: The object of type 'ChoiceHandlerButton' has been destroyed but you are still trying to access it.
Your script should either check if it is null or you should not destroy the object.
at (wrapper managed-to-native) UnityEngine.Component.get_transform(UnityEngine.Component)
at NaninovelSceneAssistant.ChoiceHandlerData+<>c__DisplayClass8_0.<AddCommandParameters>b__0 () [0x00000] in G:\Projects\SOD\SoD\Assets\Standard Assets\NaninovelSceneAssistant\ObjectData\Data\ActorData.cs:148
at (wrapper delegate-invoke) System.Func`1[UnityEngine.Vector2].invoke_TResult()
at NaninovelSceneAssistant.CommandParameterData`1[T].get_Value () [0x00000] in G:\Projects\SOD\SoD\Assets\Standard Assets\NaninovelSceneAssistant\ObjectData\Values\CommandParameterData.cs:52
at NaninovelSceneAssistant.CommandParameterData`1[T].HandleCommandFinished (Naninovel.Command command) [0x00001] in G:\Projects\SOD\SoD\Assets\Standard Assets\NaninovelSceneAssistant\ObjectData\Values\CommandParameterData.cs:94
at (wrapper delegate-invoke) System.Func`2[Naninovel.Command,Naninovel.UniTask].invoke_TResult_T(Naninovel.Command)
at Naninovel.ScriptPlayer.ExecutePlayedCommandAsync (Naninovel.AsyncToken asyncToken) [0x005c0] in G:\Projects\SOD\SoD\Assets\Standard Assets\Naninovel\Runtime\ScriptPlayer\ScriptPlayer.cs:571
at Naninovel.UniTaskCompletionSource.Naninovel.Async.IAwaiter.GetResult () [0x0001f] in G:\Projects\SOD\SoD\Assets\Standard Assets\Naninovel\Runtime\Common\Async\UniTask\Public\UniTaskCompletionSource.cs:91
at Naninovel.UniTask.GetResult () [0x00001] in G:\Projects\SOD\SoD\Assets\Standard Assets\Naninovel\Runtime\Common\Async\UniTask\Public\UniTask.cs:46
at Naninovel.UniTask+Awaiter.GetResult () [0x00000] in G:\Projects\SOD\SoD\Assets\Standard Assets\Naninovel\Runtime\Common\Async\UniTask\Public\UniTask.cs:201
at Naninovel.ScriptPlayer.PlayRoutineAsync (Naninovel.AsyncToken asyncToken) [0x002b0] in G:\Projects\SOD\SoD\Assets\Standard Assets\Naninovel\Runtime\ScriptPlayer\ScriptPlayer.cs:622
at Naninovel.UniTaskCompletionSource.Naninovel.Async.IAwaiter.GetResult () [0x0001f] in G:\Projects\SOD\SoD\Assets\Standard Assets\Naninovel\Runtime\Common\Async\UniTask\Public\UniTaskCompletionSource.cs:91
at Naninovel.UniTask.GetResult () [0x00001] in G:\Projects\SOD\SoD\Assets\Standard Assets\Naninovel\Runtime\Common\Async\UniTask\Public\UniTask.cs:46
at Naninovel.UniTask+Awaiter.GetResult () [0x00000] in G:\Projects\SOD\SoD\Assets\Standard Assets\Naninovel\Runtime\Common\Async\UniTask\Public\UniTask.cs:201
at Naninovel.UniTaskExtensions.ForgetCore (Naninovel.UniTask task) [0x0001b] in G:\Projects\SOD\SoD\Assets\Standard Assets\Naninovel\Runtime\Common\Async\UniTask\Public\UniTaskExtensions.cs:189
UnityEngine.Debug:LogError (object)
Naninovel.Async.UniTaskScheduler:PublishUnobservedTaskException (System.Exception) (at Assets/Standard Assets/Naninovel/Runtime/Common/Async/UniTask/UniTaskScheduler.cs:65)
Naninovel.Async.CompilerServices.AsyncUniTaskVoidMethodBuilder:SetException (System.Exception) (at Assets/Standard Assets/Naninovel/Runtime/Common/Async/UniTask/CompilerServices/AsyncUniTaskVoidMethodBuilder.cs:29)
Naninovel.UniTaskExtensions/<ForgetCore>d__11:MoveNext () (at Assets/Standard Assets/Naninovel/Runtime/Common/Async/UniTask/Public/UniTaskExtensions.cs:189)
Naninovel.Async.CompilerServices.MoveNextRunner`1<Naninovel.UniTaskExtensions/<ForgetCore>d__11>:Run () (at Assets/Standard Assets/Naninovel/Runtime/Common/Async/UniTask/CompilerServices/MoveNextRunner.cs:16)
Naninovel.UniTaskCompletionSource:TryInvokeContinuation () (at Assets/Standard Assets/Naninovel/Runtime/Common/Async/UniTask/Public/UniTaskCompletionSource.cs:149)
Naninovel.UniTaskCompletionSource:TrySetException (System.Exception) (at Assets/Standard Assets/Naninovel/Runtime/Common/Async/UniTask/Public/UniTaskCompletionSource.cs:178)
Naninovel.Async.CompilerServices.AsyncUniTaskMethodBuilder:SetException (System.Exception) (at Assets/Standard Assets/Naninovel/Runtime/Common/Async/UniTask/CompilerServices/AsyncUniTaskMethodBuilder.cs:57)
Naninovel.ScriptPlayer/<PlayRoutineAsync>d__131:MoveNext () (at Assets/Standard Assets/Naninovel/Runtime/ScriptPlayer/ScriptPlayer.cs:605)
Naninovel.Async.CompilerServices.MoveNextRunner`1<Naninovel.ScriptPlayer/<PlayRoutineAsync>d__131>:Run () (at Assets/Standard Assets/Naninovel/Runtime/Common/Async/UniTask/CompilerServices/MoveNextRunner.cs:16)
Naninovel.UniTaskCompletionSource:TryInvokeContinuation () (at Assets/Standard Assets/Naninovel/Runtime/Common/Async/UniTask/Public/UniTaskCompletionSource.cs:149)
Naninovel.UniTaskCompletionSource:TrySetException (System.Exception) (at Assets/Standard Assets/Naninovel/Runtime/Common/Async/UniTask/Public/UniTaskCompletionSource.cs:178)
Naninovel.Async.CompilerServices.AsyncUniTaskMethodBuilder:SetException (System.Exception) (at Assets/Standard Assets/Naninovel/Runtime/Common/Async/UniTask/CompilerServices/AsyncUniTaskMethodBuilder.cs:57)
Naninovel.ScriptPlayer/<ExecutePlayedCommandAsync>d__128:MoveNext () (at Assets/Standard Assets/Naninovel/Runtime/ScriptPlayer/ScriptPlayer.cs:585)
Naninovel.Async.CompilerServices.MoveNextRunner`1<Naninovel.ScriptPlayer/<ExecutePlayedCommandAsync>d__128>:Run () (at Assets/Standard Assets/Naninovel/Runtime/Common/Async/UniTask/CompilerServices/MoveNextRunner.cs:16)
Naninovel.UniTaskCompletionSource:TryInvokeContinuation () (at Assets/Standard Assets/Naninovel/Runtime/Common/Async/UniTask/Public/UniTaskCompletionSource.cs:149)
Naninovel.UniTaskCompletionSource:TrySetResult () (at Assets/Standard Assets/Naninovel/Runtime/Common/Async/UniTask/Public/UniTaskCompletionSource.cs:167)
Naninovel.Async.CompilerServices.AsyncUniTaskMethodBuilder:SetResult () (at Assets/Standard Assets/Naninovel/Runtime/Common/Async/UniTask/CompilerServices/AsyncUniTaskMethodBuilder.cs:72)
Naninovel.ScriptPlayer/<ExecuteIgnoringCancellationAsync>d__130:MoveNext () (at Assets/Standard Assets/Naninovel/Runtime/ScriptPlayer/ScriptPlayer.cs:601)
Naninovel.Async.CompilerServices.MoveNextRunner`1<Naninovel.ScriptPlayer/<ExecuteIgnoringCancellationAsync>d__130>:Run () (at Assets/Standard Assets/Naninovel/Runtime/Common/Async/UniTask/CompilerServices/MoveNextRunner.cs:16)
Naninovel.UniTaskCompletionSource:TryInvokeContinuation () (at Assets/Standard Assets/Naninovel/Runtime/Common/Async/UniTask/Public/UniTaskCompletionSource.cs:149)
Naninovel.UniTaskCompletionSource:TrySetResult () (at Assets/Standard Assets/Naninovel/Runtime/Common/Async/UniTask/Public/UniTaskCompletionSource.cs:167)
Naninovel.Async.CompilerServices.AsyncUniTaskMethodBuilder:SetResult () (at Assets/Standard Assets/Naninovel/Runtime/Common/Async/UniTask/CompilerServices/AsyncUniTaskMethodBuilder.cs:72)
Naninovel.Commands.PrintText/<ExecuteAsync>d__28:MoveNext () (at Assets/Standard Assets/Naninovel/Runtime/Command/Printer/PrintText.cs:156)
Naninovel.Async.CompilerServices.MoveNextRunner`1<Naninovel.Commands.PrintText/<ExecuteAsync>d__28>:Run () (at Assets/Standard Assets/Naninovel/Runtime/Common/Async/UniTask/CompilerServices/MoveNextRunner.cs:16)
Naninovel.UniTaskCompletionSource:TryInvokeContinuation () (at Assets/Standard Assets/Naninovel/Runtime/Common/Async/UniTask/Public/UniTaskCompletionSource.cs:149)
Naninovel.UniTaskCompletionSource:TrySetResult () (at Assets/Standard Assets/Naninovel/Runtime/Common/Async/UniTask/Public/UniTaskCompletionSource.cs:167)
Naninovel.Async.CompilerServices.AsyncUniTaskMethodBuilder:SetResult () (at Assets/Standard Assets/Naninovel/Runtime/Common/Async/UniTask/CompilerServices/AsyncUniTaskMethodBuilder.cs:72)
Naninovel.AsyncUtils/<DelayFrameAsync>d__3:MoveNext () (at Assets/Standard Assets/Naninovel/Runtime/Common/Utilities/AsyncUtils.cs:29)
Naninovel.Async.CompilerServices.MoveNextRunner`1<Naninovel.AsyncUtils/<DelayFrameAsync>d__3>:Run () (at Assets/Standard Assets/Naninovel/Runtime/Common/Async/UniTask/CompilerServices/MoveNextRunner.cs:16)
Naninovel.Async.Internal.ReusablePromise`1<int>:TryInvokeContinuation () (at Assets/Standard Assets/Naninovel/Runtime/Common/Async/UniTask/Internal/ReusablePromise.cs:232)
Naninovel.Async.Internal.ReusablePromise`1<int>:TrySetResult (int) (at Assets/Standard Assets/Naninovel/Runtime/Common/Async/UniTask/Internal/ReusablePromise.cs:219)
Naninovel.UniTask/DelayFramePromise:MoveNext () (at Assets/Standard Assets/Naninovel/Runtime/Common/Async/UniTask/Public/UniTask.Delay.cs:84)
Naninovel.Async.Internal.PlayerLoopRunner:RunCore () (at Assets/Standard Assets/Naninovel/Runtime/Common/Async/UniTask/Internal/PlayerLoopRunner.cs:174)
Naninovel.Async.Internal.PlayerLoopRunner:Update () (at Assets/Standard Assets/Naninovel/Runtime/Common/Async/UniTask/Internal/PlayerLoopRunner.cs:144)
Naninovel.Async.Internal.PlayerLoopRunner:Run () (at Assets/Standard Assets/Naninovel/Runtime/Common/Async/UniTask/Internal/PlayerLoopRunner.cs:103)