# === Critical error: ===

**URL:** <https://forums.unrealengine.com/t/critical-error/479191>\
**Category:** Platform & Builds\
**Tags:** Packaging-Failed, critical-error, unreal-engine, unrealengine4, packaging-projects, package-error, question\
**Created:** [February 28, 2021, 5:21pm UTC](https://forums.unrealengine.com/t/critical-error/479191 "2021-02-28T17:21:03Z")\
**Posts on this page:** 1\
**Page:** 1

<div class="post-metadata">

**Author:** ![usmanahmed1988](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@usmanahmed1988](https://forums.unrealengine.com/u/usmanahmed1988)\
**Post date:** [February 28, 2021, 5:21pm UTC](https://forums.unrealengine.com/t/critical-error/479191/1 "2021-02-28T17:21:03Z")

</div>

**i have disabled plugins and deleted all folders like intermediate and binaries folder but still getting this error while packaging the project.**

ATHelper: Packaging (Windows (64-bit)): LogWindows: Error: === Critical error: ===  
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error:  
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: Fatal error: [File:D:/Build/++UE4/Sync/Engine/Source/Runtime/Core/Private/GenericPlatform/GenericPlatformMemory.cpp] [Line: 186]  
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: Ran out of memory allocating 18446744072374952408 bytes with alignment 0  
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: [Callstack] 0x00007ff8abd11458 UnrealPak-Core.dll!FGenericPlatformMemory::OnOutOfMemory() []  
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: [Callstack] 0x00007ff8abd8aa6d UnrealPak-Core.dll!FMallocTBB::Malloc() []  
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: [Callstack] 0x00007ff8c00c7115 UnrealPak-PakFileUtilities.dll!FMemoryCompressor::FMemoryCompressor() []  
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: [Callstack] 0x00007ff8c00d1718 UnrealPak-PakFileUtilities.dll!FCompressedFileBuffer::CompressFileToWorkingBuffer() []  
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: [Callstack] 0x00007ff8c00d1375 UnrealPak-PakFileUtilities.dll!`CreatePakFile'::`2’::FAsyncCompressor::Compress() []  
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: [Callstack] 0x00007ff8c00d2e60 UnrealPak-PakFileUtilities.dll!CreatePakFile() []  
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: [Callstack] 0x00007ff8c00de06e UnrealPak-PakFileUtilities.dll!ExecuteUnrealPak() []  
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: [Callstack] 0x00007ff60585a5c7 UnrealPak.exe!wmain() []  
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: [Callstack] 0x00007ff60585b338 UnrealPak.exe!\_\_scrt\_common\_main\_seh() []  
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: [Callstack] 0x00007ff94f717034 KERNEL32.DLL!UnknownFunction []  
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error: [Callstack] 0x00007ff95083cec1 ntdll.dll!UnknownFunction []  
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error:  
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error:  
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error:  
UATHelper: Packaging (Windows (64-bit)): LogWindows: Error:  
UATHelper: Packaging (Windows (64-bit)): UnrealPak terminated with exit code 3  
UATHelper: Packaging (Windows (64-bit)): ERROR: UnrealPak failed  
UATHelper: Packaging (Windows (64-bit)): (see C:\Users\pc\AppData\Roaming\Unreal Engine\AutomationTool\Logs\C+Program+Files+Epic+Games+UE\_4.25\Log.txt for full exception trace)  
UATHelper: Packaging (Windows (64-bit)): AutomationTool exiting with ExitCode=1 (Error\_Unknown)  
UATHelper: Packaging (Windows (64-bit)): BUILD FAILED  
PackagingResults: Error: Unknown Error