SDK 3.5.2, AmbiguousMatchException : Multiple custom attributes of the same type found
available in future release
MyroP
I was working on my world, and play testing it with ClientSim worked fine.
Later, I uploaded it on VRChat, and I noticed that most references were suddenly null, I got many NullPointer exceptions, and I couldn't figure out the issue.
The only thing I noticed was this error message I got during the build: "AmbiguousMatchException : Multiple custom attributes of the same type found"
It seems like an error happened during the build, and a incomplete/broken build got uploaded ?
Downgrading the SDK version to 3.5.1 fixed that issue for me, something in the latest SDK version is breaking my world, and I don't know what...
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AltCentauri
Ive just updated one of my own projects to 3.5.2, and am now running into the exact same issue
AmbiguousMatchException: Multiple custom attributes of the same type found.
System.Attribute.GetCustomAttribute (System.Reflection.MemberInfo element, System.Type attributeType, System.Boolean inherit) (at <eef08f56e2e042f1b3027eca477293d9>:0)
System.Attribute.GetCustomAttribute (System.Reflection.MemberInfo element, System.Type attributeType) (at <eef08f56e2e042f1b3027eca477293d9>:0)
UdonSharpEditor.UdonSharpEditorManager.CalculateLookup () (at ./Packages/com.vrchat.worlds/Integrations/UdonSharp/Editor/UdonSharpEditorManager.cs:2023)
UdonSharpEditor.UdonSharpEditorManager.PrepareUdonSharpBehavioursForPlay (System.Collections.Generic.IEnumerable`1[T] rootBehaviours, System.Boolean stripBehavioursForBuild) (at ./Packages/com.vrchat.worlds/Integrations/UdonSharp/Editor/UdonSharpEditorManager.cs:1974)
UdonSharpEditor.UdonSharpEditorManager.OnSceneBuildInternal (System.Boolean isBuildingPlayer) (at ./Packages/com.vrchat.worlds/Integrations/UdonSharp/Editor/UdonSharpEditorManager.cs:95)
UdonSharpEditor.UdonSharpEditorManager.OnSceneBuild () (at ./Packages/com.vrchat.worlds/Integrations/UdonSharp/Editor/UdonSharpEditorManager.cs:62)
System.Reflection.RuntimeMethodInfo.Invoke (System.Object obj, System.Reflection.BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) (at <eef08f56e2e042f1b3027eca477293d9>:0)
UnityEditor.BuildPipeline:BuildAssetBundles(String, AssetBundleBuild[], BuildAssetBundleOptions, BuildTarget)
VRC.SDK3.Editor.Builder.VRCWorldAssetExporter:ExportCurrentSceneResource(Boolean, Action
1, Action
1)VRC.SDK3.Editor.Builder.VRCWorldBuilder:ExportSceneResourceInternal(Boolean)
VRC.SDK3.Editor.Builder.VRCWorldBuilder:ExportSceneResource()
VRC.SDK3.Editor.<Build>d__114:MoveNext() (at ./Packages/com.vrchat.worlds/Editor/VRCSDK/SDK3/VRCSdkControlPanelWorldBuilder.cs:2123)
UnityEngine.UnitySynchronizationContext:ExecuteTasks()
V
Valence VRC
Hi MyroP! Would you be able to post a text version of the full error log you saw?
MyroP
Valence VRC Hi, I forgot to copy the error log before switching to an older SDK, but AltCentauri shared it above .