Description

In addition to the Crash Reporter: We have a user reporting this on the AnswerHub:

https://answers.unrealengine.com/questions/346668/editor-crashing-on-launch-35-new-install-mac-osx-1-1.html

Upon Launching from the Editor, the Engine freezes at 35%, then after a short period, crashes with a crash report.

Steps to Reproduce

No known repro

Callstack
UE4Editor-Core.dylib!void FGenericPlatformString::LogBogusChars<wchar_t, char>()
UE4Editor-Core.dylib!operator<<()
UE4Editor-DerivedDataCache.dylib!FMemoryDerivedDataBackend::LoadCache()
UE4Editor-DerivedDataCache.dylib!FDerivedDataBackendGraph::ParseBootCache()
UE4Editor-DerivedDataCache.dylib!FDerivedDataBackendGraph::ParseNode()
UE4Editor-DerivedDataCache.dylib!FDerivedDataBackendGraph::ParseHierarchicalCache()
UE4Editor-DerivedDataCache.dylib!FDerivedDataBackendGraph::ParseNode()
UE4Editor-DerivedDataCache.dylib!FDerivedDataBackendGraph::ParseAsyncPut()
UE4Editor-DerivedDataCache.dylib!FDerivedDataBackendGraph::ParseNode()
UE4Editor-DerivedDataCache.dylib!FDerivedDataBackendGraph::ParseKeyLength()
UE4Editor-DerivedDataCache.dylib!FDerivedDataBackendGraph::ParseNode()
UE4Editor-DerivedDataCache.dylib!FDerivedDataBackendGraph::FDerivedDataBackendGraph()
UE4Editor-DerivedDataCache.dylib!FDerivedDataCache::FDerivedDataCache()
UE4Editor-DerivedDataCache.dylib!InternalSingleton()
UE4Editor-DerivedDataCache.dylib!FDerivedDataCacheModule::GetDDC()
UE4Editor-Core.dylib!GetDerivedDataCache()
UE4Editor-Core.dylib!GetDerivedDataCacheRef()
UE4Editor-Engine.dylib!GetGlobalShaderMap()
UE4Editor!FEngineLoop::PreInit()
UE4Editor!GuardedMain()
UE4Editor!<Unknown>
UE4Editor-Core.dylib!<Unknown>
Foundation!Unknown()
libsystem_pthread.dylib!<Unknown>
libsystem_pthread.dylib!<Unknown>
libsystem_pthread.dylib!<Unknown>

Have Comments or More Details?

There's no existing public thread on this issue, so head over toAnswerHub just mention UE-24658 in the post.

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Cannot Reproduce
ComponentPlatform - Mac
Affects Versions4.84.10
Target Fix4.13
Fix Commit3083732
Main Commit3092051
CreatedDec 17, 2015
ResolvedAug 10, 2016
UpdatedApr 27, 2018