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Please Help - Fatal Error

Has anyone seen this before and/or knows how to fix it? My project has been working fine but for some reason now when I open the level I have been working on Unreal crashes. I have tried different machines with the same result. I will post the error below:

LoginId:f2cd4b0a4948c17e5d6305b145c83756 EpicAccountId:ea900c791a3e42bcab74f120f96d1816

Fatal error: [File:D:\Build\++UE4+Release-4.18+Compile\Sync\Engine\Source\Runtime\Core\Private\Serialization\Archive.cpp] [Line: 550] BulkData compressed header read error. This package may be corrupt!

UE4Editor_Core!FArchive::SerializeCompressed() [d:\build++ue4+release-4.18+compile\sync\engine\source\runtime\core\private\serialization\archive.cpp:561] UE4Editor_CoreUObject!FUntypedBulkData::SerializeBulkData() [d:\build++ue4+release-4.18+compile\sync\engine\source\runtime\coreuobject\private\serialization\bulkdata.cpp:1245] UE4Editor_CoreUObject!FUntypedBulkData::AsyncLoadBulkData() [d:\build++ue4+release-4.18+compile\sync\engine\source\runtime\coreuobject\private\serialization\bulkdata.cpp:707] UE4Editor_CoreUObject!FStateComplete::FStateComplete() [d:\build++ue4+release-4.18+compile\sync\engine\source\runtime\coreuobject\private\serialization\bulkdata.cpp:598] UE4Editor_CoreUObject!FUntypedBulkData::LoadBulkDataWithFileReader() [d:\build++ue4+release-4.18+compile\sync\engine\source\runtime\coreuobject\private\serialization\bulkdata.cpp:610] UE4Editor_Engine!FTextureCacheDerivedDataWorker::FTextureSourceData::GetAsyncSourceMips() [d:\build++ue4+release-4.18+compile\sync\engine\source\runtime\engine\private\texturederiveddatatask.cpp:122] UE4Editor_Engine!FTextureCacheDerivedDataWorker::DoWork() [d:\build++ue4+release-4.18+compile\sync\engine\source\runtime\engine\private\texturederiveddatatask.cpp:306] UE4Editor_Engine!FAsyncTask::DoWork() [d:\build++ue4+release-4.18+compile\sync\engine\source\runtime\core\public\async\asyncwork.h:264] UE4Editor_Engine!FAsyncTask::DoThreadedWork() [d:\build++ue4+release-4.18+compile\sync\engine\source\runtime\core\public\async\asyncwork.h:288] UE4Editor_Core!FQueuedThread::Run() [d:\build++ue4+release-4.18+compile\sync\engine\source\runtime\core\private\hal\threadingbase.cpp:451] UE4Editor_Core!FRunnableThreadWin::Run() [d:\build++ue4+release-4.18+compile\sync\engine\source\runtime\core\private\windows\windowsrunnablethread.cpp:76]

Product Version: UE 4.18
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asked Mar 08 '18 at 06:20 PM in Using UE4

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BoneCoaster
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