4.8 crashes while opening project from 4.7.6

Development Platform & Builds
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1

Hello,

I was trying to open the newest preview of 4.8. However each time I’m trying to load old project, even brand new, I got and error and it crashes.

MachineId:8ADC355D404C297A6F5159AF1620D39D
EpicAccountId:362754e39beb4270a94b7aa4c678b08d
Unknown exception - code 00000001 (first/second chance not available)
"Fatal error: [File:D:\BuildFarm\buildmachine_++depot+UE4-Releases+4.8\Engine\Source\Runtime\Core\Private\HAL\FileManagerGeneric.cpp] [Line: 605]
Invalid Buff
KERNELBASE
UE4Editor_Core!FOutputDeviceWindowsError::Serialize() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\source\runtime\core\private\windows\windowsplatformoutputdevices.cpp:95]
UE4Editor_Core!FOutputDevice::Logf__VA() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\source\runtime\core\private\misc\outputdevice.cpp:144]
UE4Editor_Core!FDebug::AssertFailed() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\source\runtime\core\private\misc\outputdevice.cpp:360]
UE4Editor_Core!FArchiveFileReaderGeneric::InternalPrecache() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\source\runtime\core\private\hal\filemanagergeneric.cpp:605]
UE4Editor_Core!FArchiveFileReaderGeneric::Serialize() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\source\runtime\core\private\hal\filemanagergeneric.cpp:644]
UE4Editor_CoreUObject!operator<<() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\source\runtime\coreuobject\private\uobject\packagefilesummary.cpp:13]
UE4Editor_AssetRegistry!FPackageReader::OpenPackageFile() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\source\runtime\assetregistry\private\packagereader.cpp:37]
UE4Editor_AssetRegistry!FAssetDataGatherer::ReadAssetFile() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\source\runtime\assetregistry\private\assetdatagatherer.cpp:422]
UE4Editor_AssetRegistry!FAssetDataGatherer::Run() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\source\runtime\assetregistry\private\assetdatagatherer.cpp:186]
UE4Editor_Core!FRunnableThreadWin::Run() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\source\runtime\core\private\windows\windowsrunnablethread.cpp:73]
UE4Editor_Core!FRunnableThreadWin::GuardedRun() [d:\buildfarm\buildmachine_++depot+ue4-releases+4.8\engine\source\runtime\core\private\windows\windowsrunnablethread.cpp:26]
kernel32
ntdll

Any ideas what could be wrong ?

Thank you,
Miriam

2

Hi Miriam -

Thank you for your report. We have already identified the cause of this issue and the fix is in testing now. We hope to have this out in a future release of the engine.

Eric Ketchum

3

Great news, thank you ! :slight_smile:
Any ETA of the next release ? I’m currently working on my thesis and the working 4.8 preview would really help me with the new procedural foliage placement.

4

Things are always fluctuating based on fixes for bugs and testing but I can safely say it will be soon.