Unreal Engine 4.7.3 Crashing at 35%

Development Platform & Builds
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1

The version 4.7.3 always worked for me, but yesterday I opened the editor and it stops at 35% and after 3 minutes it shows the crash report, I tried reinstalling but nothing changes, please help.
PD: It’s not hardware limitations

Log:
MachineId:162DA1684F3868356EA5DB85A2EB972A
EpicAccountId:3c4fb826af434552bf783eff3d3c453d

Unknown exception - code 00000001 (first/second chance not available)

Assertion failed: (Index >= 0) & (Index < ArrayNum) [File:D:\BuildFarm\buildmachine_++depot+UE4-Releases+4.7\Engine\Source\Runtime\Core\Public\Containers\Array.h] [Line: 679]
Array index out of bounds: 0 from an array of size -1216626706

KERNELBASE + 24684 bytes
UE4Editor_Core!FOutputDeviceWindowsError::Serialize() + 292 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\core\private\windows\windowsplatformoutputdevices.cpp:95]
UE4Editor_Core!FOutputDevice::Logf__VA() + 248 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\core\private\misc\outputdevice.cpp:144]
UE4Editor_Core!FDebug::AssertFailed() + 1079 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\core\private\misc\outputdevice.cpp:224]
UE4Editor_Core!FGenericPlatformString::LogBogusChars() + 459 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\core\private\genericplatform\genericplatformstring.cpp:54]
UE4Editor_Core!operator<<() + 761 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\core\private\containers\string.cpp:1170]
UE4Editor_DerivedDataCache!FMemoryDerivedDataBackend::LoadCache() + 1109 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\developer\deriveddatacache\private\memoryderiveddatabackend.h:269]
UE4Editor_DerivedDataCache!FDerivedDataBackendGraph::ParseBootCache() + 599 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\developer\deriveddatacache\private\deriveddatabackends.cpp:595]
UE4Editor_DerivedDataCache!FDerivedDataBackendGraph::ParseNode() + 623 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\developer\deriveddatacache\private\deriveddatabackends.cpp:144]
UE4Editor_DerivedDataCache!FDerivedDataBackendGraph::ParseHierarchicalCache() + 442 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\developer\deriveddatacache\private\deriveddatabackends.cpp:416]
UE4Editor_DerivedDataCache!FDerivedDataBackendGraph::ParseNode() + 947 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\developer\deriveddatacache\private\deriveddatabackends.cpp:160]
UE4Editor_DerivedDataCache!FDerivedDataBackendGraph::ParseAsyncPut() + 227 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\developer\deriveddatacache\private\deriveddatabackends.cpp:327]
UE4Editor_DerivedDataCache!FDerivedDataBackendGraph::ParseNode() + 1325 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\developer\deriveddatacache\private\deriveddatabackends.cpp:176]
UE4Editor_DerivedDataCache!FDerivedDataBackendGraph::ParseKeyLength() + 219 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\developer\deriveddatacache\private\deriveddatabackends.cpp:368]
UE4Editor_DerivedDataCache!FDerivedDataBackendGraph::ParseNode() + 1088 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\developer\deriveddatacache\private\deriveddatabackends.cpp:164]
UE4Editor_DerivedDataCache!FDerivedDataBackendGraph::FDerivedDataBackendGraph() + 1374 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\developer\deriveddatacache\private\deriveddatabackends.cpp:81]
UE4Editor_DerivedDataCache!FDerivedDataCache::FDerivedDataCache() + 139 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\developer\deriveddatacache\private\deriveddatacache.cpp:127]
UE4Editor_DerivedDataCache!FDerivedDataCacheWithRollups::FDerivedDataCacheWithRollups() + 28 bytes
UE4Editor_DerivedDataCache!InternalSingleton() + 216 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\developer\deriveddatacache\private\deriveddatacache.cpp:903]
UE4Editor_Core!GetDerivedDataCache() + 148 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\core\private\misc\coremisc.cpp:702]
UE4Editor_Core!GetDerivedDataCacheRef() + 11 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\core\private\misc\coremisc.cpp:711]
UE4Editor_Engine!GetGlobalShaderMap() + 1078 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\engine\private\globalshader.cpp:409]
UE4Editor!FEngineLoop::PreInit() + 8852 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\launch\private\launchengineloop.cpp:1291]
UE4Editor!GuardedMain() + 251 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\launch\private\launch.cpp:110]
UE4Editor!GuardedMainWrapper() + 26 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\launch\private\windows\launchwindows.cpp:126]
UE4Editor!WinMain() + 249 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.7\engine\source\runtime\launch\private\windows\launchwindows.cpp:202]
UE4Editor!__tmainCRTStartup() + 329 bytes [f:\dd\vctools\crt\crtw32\dllstuff\crtexe.c:618]

2

Hi Nextroid,

I’m unsure of what is causing your crash but I have created JIRA UE-12855 so our developers can investigate the issue further. We will post back here with updates as we have them.

Cheers,

TJ

3

Hey Nextroid,

did you try to delete DDC? You can find it in C:\Users\your_username\AppData\Local\UnrealEngine - just delete whole directory.

Mikolaj

4

Didn’t work :frowning: