4.17 crashing upon open

LoginId:
EpicAccountId:

Assertion failed: (Index >= 0) & (Index < ArrayNum) [File:D:\Build++UE4+Release-4.17+Compile\Sync\Engine\Source\Runtime\Core\Public\Containers/Array.h] [Line: 596] Array index out of bounds: 0 from an array of size -848309137

UE4Editor_Core!FDebug::AssertFailed() [d:\build++ue4+release-4.17+compile\sync\engine\source\runtime\core\private\misc\assertionmacros.cpp:349]
UE4Editor_Core!FGenericPlatformString::LogBogusChars() [d:\build++ue4+release-4.17+compile\sync\engine\source\runtime\core\private\genericplatform\genericplatformstring.cpp:58]
UE4Editor_Core!operator<<() [d:\build++ue4+release-4.17+compile\sync\engine\source\runtime\core\private\containers\string.cpp:1274]
UE4Editor_DerivedDataCache!FMemoryDerivedDataBackend::LoadCache() [d:\build++ue4+release-4.17+compile\sync\engine\source\developer\deriveddatacache\private\memoryderiveddatabackend.cpp:246]
UE4Editor_DerivedDataCache!FDerivedDataBackendGraph::ParseBootCache() [d:\build++ue4+release-4.17+compile\sync\engine\source\developer\deriveddatacache\private\deriveddatabackends.cpp:609]
UE4Editor_DerivedDataCache!FDerivedDataBackendGraph::ParseNode() [d:\build++ue4+release-4.17+compile\sync\engine\source\developer\deriveddatacache\private\deriveddatabackends.cpp:153]
UE4Editor_DerivedDataCache!FDerivedDataBackendGraph::ParseHierarchicalCache() [d:\build++ue4+release-4.17+compile\sync\engine\source\developer\deriveddatacache\private\deriveddatabackends.cpp:425]
UE4Editor_DerivedDataCache!FDerivedDataBackendGraph::ParseNode() [d:\build++ue4+release-4.17+compile\sync\engine\source\developer\deriveddatacache\private\deriveddatabackends.cpp:169]
UE4Editor_DerivedDataCache!FDerivedDataBackendGraph::ParseAsyncPut() [d:\build++ue4+release-4.17+compile\sync\engine\source\developer\deriveddatacache\private\deriveddatabackends.cpp:336]
UE4Editor_DerivedDataCache!FDerivedDataBackendGraph::ParseNode() [d:\build++ue4+release-4.17+compile\sync\engine\source\developer\deriveddatacache\private\deriveddatabackends.cpp:185]
UE4Editor_DerivedDataCache!FDerivedDataBackendGraph::ParseKeyLength() [d:\build++ue4+release-4.17+compile\sync\engine\source\developer\deriveddatacache\private\deriveddatabackends.cpp:377]
UE4Editor_DerivedDataCache!FDerivedDataBackendGraph::ParseNode() [d:\build++ue4+release-4.17+compile\sync\engine\source\developer\deriveddatacache\private\deriveddatabackends.cpp:173]
UE4Editor_DerivedDataCache!FDerivedDataBackendGraph::FDerivedDataBackendGraph() [d:\build++ue4+release-4.17+compile\sync\engine\source\developer\deriveddatacache\private\deriveddatabackends.cpp:90]
UE4Editor_DerivedDataCache!FDerivedDataBackend::Get() [d:\build++ue4+release-4.17+compile\sync\engine\source\developer\deriveddatacache\private\deriveddatabackends.cpp:886]
UE4Editor_DerivedDataCache!FDerivedDataCache::FDerivedDataCache() [d:\build++ue4+release-4.17+compile\sync\engine\source\developer\deriveddatacache\private\deriveddatacache.cpp:209]
UE4Editor_DerivedDataCache!FDerivedDataCacheWithRollups::FDerivedDataCacheWithRollups()
UE4Editor_DerivedDataCache!InternalSingleton() [d:\build++ue4+release-4.17+compile\sync\engine\source\developer\deriveddatacache\private\deriveddatacache.cpp:1014]
UE4Editor_DerivedDataCache!FDerivedDataCacheModule::StartupModule() [d:\build++ue4+release-4.17+compile\sync\engine\source\developer\deriveddatacache\private\deriveddatacache.cpp:1039]
UE4Editor_Core!FModuleManager::LoadModuleWithFailureReason() [d:\build++ue4+release-4.17+compile\sync\engine\source\runtime\core\private\modules\modulemanager.cpp:505]
UE4Editor_Core!FModuleManager::LoadModule() [d:\build++ue4+release-4.17+compile\sync\engine\source\runtime\core\private\modules\modulemanager.cpp:338]
UE4Editor_Core!GetDerivedDataCache() [d:\build++ue4+release-4.17+compile\sync\engine\source\runtime\core\private\misc\coremisc.cpp:99]
UE4Editor_Core!GetDerivedDataCacheRef() [d:\build++ue4+release-4.17+compile\sync\engine\source\runtime\core\private\misc\coremisc.cpp:110]
UE4Editor_Engine!CompileGlobalShaderMap() [d:\build++ue4+release-4.17+compile\sync\engine\source\runtime\engine\private\shadercompiler\shadercompiler.cpp:4255]
UE4Editor!FEngineLoop::PreInit() [d:\build++ue4+release-4.17+compile\sync\engine\source\runtime\launch\private\launchengineloop.cpp:1745]
UE4Editor!GuardedMain() [d:\build++ue4+release-4.17+compile\sync\engine\source\runtime\launch\private\launch.cpp:127]
UE4Editor!GuardedMainWrapper() [d:\build++ue4+release-4.17+compile\sync\engine\source\runtime\launch\private\windows\launchwindows.cpp:134]
UE4Editor!WinMain() [d:\build++ue4+release-4.17+compile\sync\engine\source\runtime\launch\private\windows\launchwindows.cpp:210]
UE4Editor!__scrt_common_main_seh() [f:\dd\vctools\crt\vcstartup\src\startup\exe_common.inl:253]
kernel32
ntdll

Please help, this is super frustrating…
Out of nowhere it crashes everytime before open at 35%

Same problem here. You ever get this fixed?