Clicking the tutorial button in the Blueprint editor while the tutorial alert in the main editor is still displayed will crash the editor.

Reproduced in 4.8.1 and Main (//depot/UE4/Promoted-CL-2605171)

Crash Report:
[Link Removed]

Call Stack:
Access violation - code c0000005 (first/second chance not available)

UE4Editor_CoreUObject!UObjectBaseUtility::IsA() uobjectbaseutility.cpp:257
UE4Editor_SlateRHIRenderer!FSlateRHIResourceManager::GetShaderResource() slaterhiresourcemanager.cpp:385
UE4Editor_SlateCore!FSlateElementBatcher::AddBoxElement() elementbatcher.cpp:252
UE4Editor_SlateCore!FSlateElementBatcher::AddElements() elementbatcher.cpp:118
UE4Editor_SlateRHIRenderer!FSlateRHIRenderer::DrawWindows_Private() slaterhirenderer.cpp:588
UE4Editor_Slate!FSlateApplication::PrivateDrawWindows() slateapplication.cpp:1206
UE4Editor_Slate!FSlateApplication::DrawWindows() slateapplication.cpp:941
UE4Editor_Slate!FSlateApplication::Tick() slateapplication.cpp:1440
UE4Editor!FEngineLoop::Tick() launchengineloop.cpp:2392
UE4Editor!GuardedMain() launch.cpp:142
UE4Editor!GuardedMainWrapper() launchwindows.cpp:126
UE4Editor!WinMain() launchwindows.cpp:200

Steps to Reproduce

1. Open the editor with -TestTutorialAlerts -ResetTutorials to ensure editor tutorial alerts are enabled
2. Do not close the tutorial alert in the main editor window
3. Open any Blueprint (or create a new one)
4. Click the tutorial button in the Blueprint editor


Community References

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Won't Fix
Affects Versions4.8.14.9
Target Fix4.9
Fix Commit2620698
CreatedJul 13, 2015
ResolvedJul 14, 2015
UpdatedApr 27, 2018