I too have this problem and I must inform you that I do not drive named “D:” … how can I change these paths. Please?
MachineId:707C061D4AAB43988C2CDA885CD9887B
EpicAccountId:
Unknown exception - code 00000001 (first/second chance not available)
Assertion failed: NewPosition >= 0 [File:D:\BuildFarm\buildmachine_++depot+UE4-Releases+4.6\Engine\Source\Runtime\Core\Private\Windows\WindowsPlatformFile.cpp] [Line: 59]
KERNELBASE + 35740 bytes
UE4Editor_Core + 3092349 bytes
UE4Editor_Core + 1597688 bytes
UE4Editor_Core + 1479058 bytes
UE4Editor_Core + 2981860 bytes
UE4Editor_Core + 773780 bytes
UE4Editor_Core + 2229609 bytes
UE4Editor_CoreUObject + 690620 bytes
UE4Editor_CoreUObject + 1541319 bytes
UE4Editor_UnrealEd + 1780841 bytes
UE4Editor_UnrealEd + 2625915 bytes
UE4Editor_UnrealEd + 2613112 bytes
UE4Editor_UnrealEd + 6316416 bytes
UE4Editor_UnrealEd + 3247874 bytes
UE4Editor_UnrealEd + 3243162 bytes
UE4Editor_UnrealEd + 3240820 bytes
UE4Editor_LevelEditor + 570935 bytes
UE4Editor_Slate + 588774 bytes
UE4Editor_Slate + 1534016 bytes
UE4Editor_Slate + 1552472 bytes
UE4Editor_Slate + 1029959 bytes
UE4Editor_Slate + 1036953 bytes
UE4Editor_Slate + 1434649 bytes
UE4Editor_Slate + 2116506 bytes
UE4Editor_Slate + 2296435 bytes
UE4Editor_Slate + 432060 bytes
UE4Editor_Slate + 160583 bytes
UE4Editor_Slate + 832224 bytes
UE4Editor_Slate + 770598 bytes
UE4Editor_Core + 2484713 bytes
UE4Editor_Core + 2400763 bytes
UE4Editor_Core + 2489275 bytes
UE4Editor_Core + 2387186 bytes
user32 + 9485 bytes
user32 + 9063 bytes
UE4Editor_Core + 2490486 bytes
UE4Editor!FEngineLoop::Tick() + 3434 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.6\engine\source\runtime\launch\private\launchengineloop.cpp:2193]
UE4Editor!GuardedMain() + 479 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.6\engine\source\runtime\launch\private\launch.cpp:131]
UE4Editor!GuardedMainWrapper() + 26 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.6\engine\source\runtime\launch\private\windows\launchwindows.cpp:126]
UE4Editor!WinMain() + 249 bytes [d:\buildfarm\buildmachine_++depot+ue4-releases+4.6\engine\source\runtime\launch\private\windows\launchwindows.cpp:202]
UE4Editor!__tmainCRTStartup() + 329 bytes [f:\dd\vctools\crt\crtw32\dllstuff\crtexe.c:618]