[UE5.2, Bug report] Editor assert when dragging blueprint editor tab.

General Issues and Bug Reporting
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1

Dragging the MyBlueprint tab from right to left next to Details… lol.

afbeelding

LogOutputDevice: Error: === Handled ensure: ===
LogOutputDevice: Error: Ensure condition failed: !PersistentLayout->PrimaryArea.IsValid()  [File:D:\build\++UE5\Sync\Engine\Source\Runtime\Slate\Private\Framework\Docking\TabManager.cpp] [Line: 931] 
LogOutputDevice: Error: Stack: 
LogOutputDevice: Error: [Callstack] 0x00007ffb620a1db1 UnrealEditor-Slate.dll!FTabManager::PersistLayout() [D:\build\++UE5\Sync\Engine\Source\Runtime\Slate\Private\Framework\Docking\TabManager.cpp:931]
LogOutputDevice: Error: [Callstack] 0x00007ffb6203adae UnrealEditor-Slate.dll!<lambda_68306145e6c4534a55f5ce5145af1c34>::operator()() [D:\build\++UE5\Sync\Engine\Source\Runtime\Slate\Private\Framework\Docking\TabManager.cpp:977]
LogOutputDevice: Error: [Callstack] 0x00007ffb62b18707 UnrealEditor-Core.dll!FTSTicker::Tick() [D:\build\++UE5\Sync\Engine\Source\Runtime\Core\Private\Containers\Ticker.cpp:110]
LogOutputDevice: Error: [Callstack] 0x00007ff6685ebb56 UnrealEditor.exe!FEngineLoop::Tick() [D:\build\++UE5\Sync\Engine\Source\Runtime\Launch\Private\LaunchEngineLoop.cpp:6050]
LogOutputDevice: Error: [Callstack] 0x00007ff66860473c UnrealEditor.exe!GuardedMain() [D:\build\++UE5\Sync\Engine\Source\Runtime\Launch\Private\Launch.cpp:188]
LogOutputDevice: Error: [Callstack] 0x00007ff66860482a UnrealEditor.exe!GuardedMainWrapper() [D:\build\++UE5\Sync\Engine\Source\Runtime\Launch\Private\Windows\LaunchWindows.cpp:107]
LogOutputDevice: Error: [Callstack] 0x00007ff6686074f0 UnrealEditor.exe!LaunchWindowsStartup() [D:\build\++UE5\Sync\Engine\Source\Runtime\Launch\Private\Windows\LaunchWindows.cpp:244]
LogOutputDevice: Error: [Callstack] 0x00007ff66861a4c4 UnrealEditor.exe!WinMain() [D:\build\++UE5\Sync\Engine\Source\Runtime\Launch\Private\Windows\LaunchWindows.cpp:284]
LogOutputDevice: Error: [Callstack] 0x00007ff66861d996 UnrealEditor.exe!__scrt_common_main_seh() [D:\a\_work\1\s\src\vctools\crt\vcstartup\src\startup\exe_common.inl:288]
LogOutputDevice: Error: [Callstack] 0x00007ffbcf947614 KERNEL32.DLL!UnknownFunction []
LogOutputDevice: Error: [Callstack] 0x00007ffbd19226a1 ntdll.dll!UnknownFunction []
2

Same question! Need help :sob: :sob: :sob:

3

I have the same issue, wonder if it’s caused by custom layouts or what.