The app crashes after opening FAB.

Summary

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Assertion failed: IsValid() [File:D:\build++UE5\Sync\LocalInstall\Engine\Source\Runtime\Core\Public\Templates\SharedPointer.h] [Line: 1071]

UnrealEditor_Core
UnrealEditor_Fab!FFabBrowser::OpenTab() [D:\build++UE5\Sync\LocalBuilds\Fab\0.0.5\HostProject\Plugins\Fab\Source\Fab\Private\FabBrowser.cpp:275]
UnrealEditor_Fab!TBaseStaticDelegateInstance<TSharedRef<SDockTab,1> __cdecl(FSpawnTabArgs const &),FDefaultDelegateUserPolicy>::Execute() [D:\build++UE5\Sync\LocalInstall\Engine\Source\Runtime\Core\Public\Delegates\DelegateInstancesImpl.h:791]
UnrealEditor_Slate
UnrealEditor_Slate
UnrealEditor_Slate
UnrealEditor_Slate
UnrealEditor_Fab!FFabBrowser::SetupEntryPoints'::2’::<lambda_1>::operator()() [D:\build++UE5\Sync\LocalBuilds\Fab\0.0.5\HostProject\Plugins\Fab\Source\Fab\Private\FabBrowser.cpp:107]
UnrealEditor_Fab!TBaseFunctorDelegateInstance<void __cdecl(void),FDefaultDelegateUserPolicy,FFabBrowser::SetupEntryPoints'::2’::<lambda_1> >::ExecuteIfSafe() [D:\build++UE5\Sync\LocalInstall\Engine\Source\Runtime\Core\Public\Delegates\DelegateInstancesImpl.h:894] UnrealEditor_Slate UnrealEditor_Slate UnrealEditor_Slate UnrealEditor_Slate UnrealEditor_Slate UnrealEditor_Slate UnrealEditor_Slate UnrealEditor_Slate UnrealEditor_Slate UnrealEditor_Slate UnrealEditor_ApplicationCore UnrealEditor_ApplicationCore UnrealEditor_ApplicationCore UnrealEditor_ApplicationCore user32 user32 UnrealEditor_ApplicationCore UnrealEditor UnrealEditor UnrealEditor UnrealEditor UnrealEditor UnrealEditor kernel32 ntdll

What type of bug are you experiencing?

Documentation

Steps to Reproduce

The app crashes after opening FAB.

Expected Result

The app crashes after opening FAB.

Observed Result

The app crashes after opening FAB.

Platform

win 11

Operating System

win 11

Hi @l235711,

This crash appears to be due to a null or invalid pointer- a bug within the Cpp code of the plugin and one which you probably won’t be able to get around.

Looking at your log, it looks like you are using Fab version 0.0.5. I would try either upgrading or downgrading your plugin version and seeing if that solves your issue.

up!!! same for me