A licensee has reported that generating a full memreport of a packaged project which uses a texture collection leads to a crash.
[2025.05.21-07.02.22:626][511]LogThreadingWindows: Error: Runnable thread Foreground Worker #0 crashed.
[2025.05.21-07.02.22:626][511]LogWindows: Error: === Critical error: ===
[2025.05.21-07.02.22:626][511]LogWindows: Error:
[2025.05.21-07.02.22:626][511]LogWindows: Error: Fatal error!
[2025.05.21-07.02.22:626][511]LogWindows: Error:
[2025.05.21-07.02.22:626][511]LogWindows: Error: Unhandled Exception: EXCEPTION_ACCESS_VIOLATION reading address 0xffffffffffffffff
[2025.05.21-07.02.22:626][511]LogWindows: Error:
[2025.05.21-07.02.22:626][511]LogWindows: Error: [Callstack] 0x00007ff6866bd154 UnrealGame.exe!FUniformExpressionSet::FillUniformBuffer() [C:\UE5.5\Engine\Source\Runtime\Engine\Private\Materials\MaterialUniformExpressions.cpp:1405]
[2025.05.21-07.02.22:626][511]LogWindows: Error: [Callstack] 0x00007ff685a1b457 UnrealGame.exe!`FUniformExpressionCacheAsyncUpdater::Update'::`2'::<lambda_1>::operator()() [C:\UE5.5\Engine\Source\Runtime\Engine\Private\Materials\MaterialRenderProxy.cpp:141]
[2025.05.21-07.02.22:626][511]LogWindows: Error: [Callstack] 0x00007ff685a25e65 UnrealGame.exe!UE::Tasks::Private::TExecutableTaskBase<`FUniformExpressionCacheAsyncUpdater::Update'::`2'::<lambda_1>,void,void>::ExecuteTask() [C:\UE5.5\Engine\Source\Runtime\Core\Public\Tasks\TaskPrivate.h:876]
[2025.05.21-07.02.22:626][511]LogWindows: Error: [Callstack] 0x00007ff67eed361b UnrealGame.exe!UE::Tasks::Private::FTaskBase::TryExecuteTask() [C:\UE5.5\Engine\Source\Runtime\Core\Public\Tasks\TaskPrivate.h:505]
[2025.05.21-07.02.22:626][511]LogWindows: Error: [Callstack] 0x00007ff67eea70cf UnrealGame.exe!LowLevelTasks::TTaskDelegate<LowLevelTasks::FTask * __cdecl(bool),48>::TTaskDelegateImpl<`LowLevelTasks::FTask::Init<`UE::Tasks::Private::FTaskBase::Init'::`2'::<lambda_1> >'::`13'::<lambda_1>,0>::CallAndMove() [C:\UE5.5\Engine\Source\Runtime\Core\Public\Async\Fundamental\TaskDelegate.h:171]
[2025.05.21-07.02.22:626][511]LogWindows: Error: [Callstack] 0x00007ff67eeb1dfc UnrealGame.exe!LowLevelTasks::FTask::ExecuteTask() [C:\UE5.5\Engine\Source\Runtime\Core\Public\Async\Fundamental\Task.h:627]
[2025.05.21-07.02.22:626][511]LogWindows: Error: [Callstack] 0x00007ff67eeb1b6e UnrealGame.exe!LowLevelTasks::FScheduler::ExecuteTask() [C:\UE5.5\Engine\Source\Runtime\Core\Private\Async\Fundamental\Scheduler.cpp:244]
[2025.05.21-07.02.22:626][511]LogWindows: Error: [Callstack] 0x00007ff67eed6c0d UnrealGame.exe!LowLevelTasks::FScheduler::WorkerLoop() [C:\UE5.5\Engine\Source\Runtime\Core\Private\Async\Fundamental\Scheduler.cpp:514]
[2025.05.21-07.02.22:626][511]LogWindows: Error: [Callstack] 0x00007ff67ee9fdf1 UnrealGame.exe!`LowLevelTasks::FScheduler::CreateWorker'::`2'::<lambda_1>::operator()() [C:\UE5.5\Engine\Source\Runtime\Core\Private\Async\Fundamental\Scheduler.cpp:75]
[2025.05.21-07.02.22:626][511]LogWindows: Error: [Callstack] 0x00007ff67f097663 UnrealGame.exe!FThreadImpl::Run() [C:\UE5.5\Engine\Source\Runtime\Core\Private\HAL\Thread.cpp:69]
[2025.05.21-07.02.22:626][511]LogWindows: Error: [Callstack] 0x00007ff67f4a1fd8 UnrealGame.exe!FRunnableThreadWin::Run() [C:\UE5.5\Engine\Source\Runtime\Core\Private\Windows\WindowsRunnableThread.cpp:159]
[2025.05.21-07.02.22:626][511]LogWindows: Error: [Callstack] 0x00007ff67f49959f UnrealGame.exe!FRunnableThreadWin::GuardedRun() [C:\UE5.5\Engine\Source\Runtime\Core\Private\Windows\WindowsRunnableThread.cpp:79]
[2025.05.21-07.02.22:626][511]LogWindows: Error: [Callstack] 0x00007ff97ff3257d KERNEL32.DLL!UnknownFunction []
[2025.05.21-07.02.22:626][511]LogWindows: Error:
[2025.05.21-07.02.22:626][511]LogWindows: Error: Crash in runnable thread Foreground Worker #0
There's no existing public thread on this issue, so head over to Questions & Answers just mention UE-290808 in the post.
0 |
Component | UE - Rendering Architecture |
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Affects Versions | 5.6 |
Created | May 28, 2025 |
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Updated | May 30, 2025 |