# \#packaging-and-cookin **URL:** https://forums.unrealengine.com/tag/packaging-and-cookin/9769.md [Latest](https://forums.unrealengine.com/latest.md) · [Categories](https://forums.unrealengine.com/categories.md) · [Tags](https://forums.unrealengine.com/tags.md) --- ## [Cook failure EXCEPTION\_ACCESS\_VIOLATION with no asset name in the log ](https://forums.unrealengine.com/t/cook-failure-exception-access-violation-with-no-asset-name-in-the-log/2716033)
**Author:** [@whiteroseofthesea](https://forums.unrealengine.com/u/whiteroseofthesea)\ **Replies:** 0\ **Last updated:** [April 17, 2026, 1:59am UTC](https://forums.unrealengine.com/t/cook-failure-exception-access-violation-with-no-asset-name-in-the-log/2716033 "2026-04-17T01:59:06Z")
I was packaging my UE 5.5 project and kept getting this at the end of the cook: Unhandled Exception: EXCEPTION\_ACCESS\_VIOLATION writing address 0x0000000000000030 \[Callstack\] UnrealEditor-UMG.dll!UnknownFunction \[Callst… --- ## [UE4 Android “Unknown Cook Failure / ExitCode=1” – FIX ](https://forums.unrealengine.com/t/ue4-android-unknown-cook-failure-exitcode-1-fix/2689038)
**Author:** [@vinayaknirantar](https://forums.unrealengine.com/u/vinayaknirantar)\ **Replies:** 0\ **Last updated:** [January 1, 2026, 9:58pm UTC](https://forums.unrealengine.com/t/ue4-android-unknown-cook-failure-exitcode-1-fix/2689038 "2026-01-01T21:58:32Z")
:white\_check\_mark: UE4 Android “Unknown Cook Failure / ExitCode=1” – FIX Problem UE4 Android packaging fails with: Unknown Cook Failure ExitCode=1 DoesPackageExist FAILED Component class is not set Even after: Mig… --- ## [Default Scalability / quality settings for Packaging / build project](https://forums.unrealengine.com/t/default-scalability-quality-settings-for-packaging-build-project/721783)
**Author:** [@HugoDiGio](https://forums.unrealengine.com/u/HugoDiGio)\ **Replies:** 16\ **Last updated:** [April 23, 2025, 9:12pm UTC](https://forums.unrealengine.com/t/default-scalability-quality-settings-for-packaging-build-project/721783 "2025-04-23T21:12:24Z")
Hi there, I make a VR application, started from openXR Template with high ends graphics (but this detail have no link to the subject of my post, just for context). To match the target hardware (fixed hardware), I need t… --- ## [Can't package my project](https://forums.unrealengine.com/t/cant-package-my-project/2324793)
**Author:** [@coabe](https://forums.unrealengine.com/u/coabe)\ **Replies:** 8\ **Last updated:** [February 16, 2025, 2:01pm UTC](https://forums.unrealengine.com/t/cant-package-my-project/2324793 "2025-02-16T14:01:07Z")
UATHelper: Packaging (Windows): \*\*\*\*\*\*\*\*\*\* BUILD COMMAND STARTED \*\*\*\*\*\*\*\*\*\* UATHelper: Packaging (Windows): Running: F:\\UE\_5.3\\Engine\\Binaries\\ThirdParty\\DotNet\\6.0.302\\windows\\dotnet.exe “F:\\UE\_5.3\\Engine\\Binaries\\DotN… --- ## [Failed to get template for class](https://forums.unrealengine.com/t/failed-to-get-template-for-class/1201335)
**Author:** [@Cihan5Deniz](https://forums.unrealengine.com/u/Cihan5Deniz)\ **Replies:** 1\ **Last updated:** [February 3, 2025, 5:04pm UTC](https://forums.unrealengine.com/t/failed-to-get-template-for-class/1201335 "2025-02-03T17:04:47Z")
Currrently working on ue 5.2 project and when i try to package i get this error message log \> PackagingResults: Error: appError called: Assertion failed: Template \[File:D:\\build++UE5\\Sync\\Engine\\Source\\Runtime\\CoreUObje… --- ## [Packaging (Windows): ERROR: Cook failed](https://forums.unrealengine.com/t/packaging-windows-error-cook-failed/2298981)
**Author:** [@Abdalah.Salameh](https://forums.unrealengine.com/u/Abdalah.Salameh)\ **Replies:** 1\ **Last updated:** [January 23, 2025, 10:24pm UTC](https://forums.unrealengine.com/t/packaging-windows-error-cook-failed/2298981 "2025-01-23T22:24:01Z")
Hello so i was trying to package my project and it keep on saying Packaging (Windows): ERROR: Cook failed and i do not know how to fix it so if you could find a solution that would be great errors: UATHelper: Cooking (… --- ## [I keep getting this error when I try to package my Android game. How can this be fixed?](https://forums.unrealengine.com/t/i-keep-getting-this-error-when-i-try-to-package-my-android-game-how-can-this-be-fixed/353372)
**Author:** [@anonymous\_user\_2afdb1da](https://forums.unrealengine.com/u/anonymous_user_2afdb1da)\ **Replies:** 15\ **Last updated:** [September 29, 2024, 6:02pm UTC](https://forums.unrealengine.com/t/i-keep-getting-this-error-when-i-try-to-package-my-android-game-how-can-this-be-fixed/353372 "2024-09-29T18:02:41Z")
Whenever I try to package my Android game, it gives me this error message in the output log, and thus it doesn’t package my Android game (if you are having trouble reading the red text, it says “PackagingResults:Error: E… --- ## [unreal engine android issues exporting precompiled shaders or cook content](https://forums.unrealengine.com/t/unreal-engine-android-issues-exporting-precompiled-shaders-or-cook-content/2018326)
**Author:** [@Ariel\_Gimenez](https://forums.unrealengine.com/u/Ariel_Gimenez)\ **Replies:** 0\ **Last updated:** [September 12, 2024, 9:54pm UTC](https://forums.unrealengine.com/t/unreal-engine-android-issues-exporting-precompiled-shaders-or-cook-content/2018326 "2024-09-12T21:54:38Z")
Hello, does anyone know how to cook the unreal shader for mobile before exporting the project to Android? I am having a serious problem, the shaders compile on the mobile, they are not exported precompiled then the fir… --- ## [Reasons to not to package Linux targets on Windows](https://forums.unrealengine.com/t/reasons-to-not-to-package-linux-targets-on-windows/2017705)
**Author:** [@kio21oi](https://forums.unrealengine.com/u/kio21oi)\ **Replies:** 0\ **Last updated:** [September 12, 2024, 1:33pm UTC](https://forums.unrealengine.com/t/reasons-to-not-to-package-linux-targets-on-windows/2017705 "2024-09-12T13:33:37Z")
Hi, Could you please share your concerns on why I shouldn’t be cross-compiling, cooking, and packaging Linux targets on Windows? I’ve just started doing it and already encountered an issue that the editor reads Config/… --- ## [infinite loop when cooking project](https://forums.unrealengine.com/t/infinite-loop-when-cooking-project/795316)
**Author:** [@Dincosan](https://forums.unrealengine.com/u/Dincosan)\ **Replies:** 2\ **Last updated:** [July 9, 2024, 10:31pm UTC](https://forums.unrealengine.com/t/infinite-loop-when-cooking-project/795316 "2024-07-09T22:31:07Z")
I have this problem when cooking my project and I changed these parameters in the engine to 4GB and it keeps giving me an eternal loop where it never finishes cooking. --- ## [Demo crashing when opening](https://forums.unrealengine.com/t/demo-crashing-when-opening/1917685)
**Author:** [@Migalto](https://forums.unrealengine.com/u/Migalto)\ **Replies:** 1\ **Last updated:** [June 28, 2024, 3:19am UTC](https://forums.unrealengine.com/t/demo-crashing-when-opening/1917685 "2024-06-28T03:19:55Z")
hello guys I still trying to resolve why I can’t package my game, right now i made a new project and i am exporting my blueprints one by one to see if i can find the issue, right now i don’t have the error of my last pos… --- ## [Packing problem:dependency ..was not actually in the linker tables and so will be ignored (2)](https://forums.unrealengine.com/t/packing-problem-dependency-was-not-actually-in-the-linker-tables-and-so-will-be-ignored-2/484675)
**Author:** [@anon79450370](https://forums.unrealengine.com/u/anon79450370)\ **Replies:** 0\ **Last updated:** [June 10, 2021, 6:46am UTC](https://forums.unrealengine.com/t/packing-problem-dependency-was-not-actually-in-the-linker-tables-and-so-will-be-ignored-2/484675 "2021-06-10T06:46:11Z")
Hello I seem to be stuck and I need some help! I have a map blueprint that does not seem to be including the simulation blueprint, attached is the log and also my settings for the project. I cant seem to get it to work… --- ## [FPackageBuildDependencyTracker::StaticOnObjectHandleRead() error when trying to package game](https://forums.unrealengine.com/t/fpackagebuilddependencytracker-staticonobjecthandleread-error-when-trying-to-package-game/1718141)
**Author:** [@ConorImaginati](https://forums.unrealengine.com/u/ConorImaginati)\ **Replies:** 2\ **Last updated:** [February 28, 2024, 1:10pm UTC](https://forums.unrealengine.com/t/fpackagebuilddependencytracker-staticonobjecthandleread-error-when-trying-to-package-game/1718141 "2024-02-28T13:10:27Z")
Hi. I’m having a troubling error that’s preventing builds from being cooked when using the Project Launcher. The error occurs when beginning stack for UAT and looks like this LogWindows: Error: begin: stack for UAT Lo… --- ## [Cook Failed and Package fail.](https://forums.unrealengine.com/t/cook-failed-and-package-fail/1605605)
**Author:** [@HXZ](https://forums.unrealengine.com/u/HXZ)\ **Replies:** 1\ **Last updated:** [January 11, 2024, 1:46am UTC](https://forums.unrealengine.com/t/cook-failed-and-package-fail/1605605 "2024-01-11T01:46:21Z")
Every time, this happens. I reinstalled UE5.3 and SDKs, but nothing worked. When i try to cook, this happens: (According to the log file) Log started at 10/01/2024 21:41:27 (2024-01-11T01:41:27Z) Starting AutomationToo… --- ## [UE4Editor load .ini files accroding to operating system but not cooking platform.](https://forums.unrealengine.com/t/ue4editor-load-ini-files-accroding-to-operating-system-but-not-cooking-platform/767959)
**Author:** [@Online\_Learner\_LUlmF](https://forums.unrealengine.com/u/Online_Learner_LUlmF)\ **Replies:** 2\ **Last updated:** [November 16, 2023, 8:07am UTC](https://forums.unrealengine.com/t/ue4editor-load-ini-files-accroding-to-operating-system-but-not-cooking-platform/767959 "2023-11-16T08:07:15Z")
When I launch UE4Editor in windows, and use UE4Editor to cook contents for targetplatform=linux, UE4Editor load config files which in Config/Windows folder instead of Config/Linux folder. Therefore, the directories whic… --- ## [Screen flicker when i start to play game after pack](https://forums.unrealengine.com/t/screen-flicker-when-i-start-to-play-game-after-pack/476361)
**Author:** [@Napimel](https://forums.unrealengine.com/u/Napimel)\ **Replies:** 1\ **Last updated:** [September 9, 2023, 5:15pm UTC](https://forums.unrealengine.com/t/screen-flicker-when-i-start-to-play-game-after-pack/476361 "2023-09-09T17:15:09Z")
Hello I work on a project for some time, i pack the game, i start to play it and the problem is like this. If i have TooldBar \*from windows 10" on same screen as the game in FullScreen it start to flicker like a wave… --- ## [how should I fix this packaging error?](https://forums.unrealengine.com/t/how-should-i-fix-this-packaging-error/1189670)
**Author:** [@Navid](https://forums.unrealengine.com/u/Navid)\ **Replies:** 3\ **Last updated:** [June 24, 2023, 7:02am UTC](https://forums.unrealengine.com/t/how-should-i-fix-this-packaging-error/1189670 "2023-06-24T07:02:27Z")
hey everyone. please help me to fix this error. I got this kind of error repeating in my Output log when I tried to package my game in ue5.1 and I don’t even know where to look for the problem! PackagingResults: Error: … --- ## [CDO Constrcutor failed to find WidgetBlueprint](https://forums.unrealengine.com/t/cdo-constrcutor-failed-to-find-widgetblueprint/351468)
**Author:** [@tomgn](https://forums.unrealengine.com/u/tomgn)\ **Replies:** 6\ **Last updated:** [June 11, 2023, 10:58am UTC](https://forums.unrealengine.com/t/cdo-constrcutor-failed-to-find-widgetblueprint/351468 "2023-06-11T10:58:04Z")
Hi, in my GameMode.cpp I load a WidgetBlueprint as follows: static ConstructorHelpers::FObjectFinder\ Blueprint2(TEXT("WidgetBlueprint'/Game/StarterContent/custom/widget/HUDWidget.HUDWidget'")); widgetClas… --- ## [How to reduce mobile file size](https://forums.unrealengine.com/t/how-to-reduce-mobile-file-size/349473)
**Author:** [@jtsmith](https://forums.unrealengine.com/u/jtsmith)\ **Replies:** 15\ **Last updated:** [October 16, 2022, 6:28pm UTC](https://forums.unrealengine.com/t/how-to-reduce-mobile-file-size/349473 "2022-10-16T18:28:39Z")
I am currently testing how to package and deploy a mobile project to an Android device. After painstakingly getting the device to work properly in development mode on my PC, I followed all the instructions on Reducing A… --- ## [How can i generate .uexp file in unreal engine?](https://forums.unrealengine.com/t/how-can-i-generate-uexp-file-in-unreal-engine/482297)
**Author:** [@HarishKumarS](https://forums.unrealengine.com/u/HarishKumarS)\ **Replies:** 1\ **Last updated:** [September 18, 2022, 1:01pm UTC](https://forums.unrealengine.com/t/how-can-i-generate-uexp-file-in-unreal-engine/482297 "2022-09-18T13:01:32Z")
Can anyone please let me know how can i generate .uexp file in Unreal engine project --- ## [How to build a package without compiling the whole package tools](https://forums.unrealengine.com/t/how-to-build-a-package-without-compiling-the-whole-package-tools/349742)
**Author:** [@anonymous\_user\_9f0f6914](https://forums.unrealengine.com/u/anonymous_user_9f0f6914)\ **Replies:** 3\ **Last updated:** [September 7, 2022, 2:55pm UTC](https://forums.unrealengine.com/t/how-to-build-a-package-without-compiling-the-whole-package-tools/349742 "2022-09-07T14:55:50Z")
Currently, I am using an editor built from source code. The problem with this is that when I am trying to make a package, the engine automatically compiles the build tool as well. How can I skip this and use pre-built … --- ## [Hello everyone I’ve a question, I’m making an interactive walkthrough and while packaging it. It says ‘couldn’t find the module of the datasmith core’ any suggestions?](https://forums.unrealengine.com/t/hello-everyone-i-ve-a-question-i-m-making-an-interactive-walkthrough-and-while-packaging-it-it-says-couldn-t-find-the-module-of-the-datasmith-core-any-suggestions/620717)
**Author:** [@Pro-Am.1](https://forums.unrealengine.com/u/Pro-Am.1)\ **Replies:** 2\ **Last updated:** [August 4, 2022, 2:08pm UTC](https://forums.unrealengine.com/t/hello-everyone-i-ve-a-question-i-m-making-an-interactive-walkthrough-and-while-packaging-it-it-says-couldn-t-find-the-module-of-the-datasmith-core-any-suggestions/620717 "2022-08-04T14:08:24Z")
Hello everyone I’ve a question, I’m making an interactive walkthrough and while packaging it. It says ‘couldn’t find the module of the datasmith core’ any suggestions? --- ## [unknown cook failure ue 4.27](https://forums.unrealengine.com/t/unknown-cook-failure-ue-4-27/615062)
**Author:** [@mahmoodbehroozi](https://forums.unrealengine.com/u/mahmoodbehroozi)\ **Replies:** 0\ **Last updated:** [July 27, 2022, 12:19am UTC](https://forums.unrealengine.com/t/unknown-cook-failure-ue-4-27/615062 "2022-07-27T00:19:43Z")
When i package for windows 64 bit it going through and at the end it says in message log PackagingResults:Error: Error Unknown Cook Failure My build config in on Shipping i package for windows 64 bit i attach the Log … --- ## [Unreal 5 Dedicated Server](https://forums.unrealengine.com/t/unreal-5-dedicated-server/608323)
**Author:** [@anonymous\_user\_2c9cdad7](https://forums.unrealengine.com/u/anonymous_user_2c9cdad7)\ **Replies:** 1\ **Last updated:** [July 19, 2022, 9:56am UTC](https://forums.unrealengine.com/t/unreal-5-dedicated-server/608323 "2022-07-19T09:56:19Z")
Hi everybody - I am having some trouble with setting up and connecting to my dedicated server through remote desktop, and I would really appreciate any assistance. We are making a simple multiplayer mobile game in UE5. … --- ## [Short sounds missing from packaged iOS-app](https://forums.unrealengine.com/t/short-sounds-missing-from-packaged-ios-app/481069)
**Author:** [@stuck\_compiling](https://forums.unrealengine.com/u/stuck_compiling)\ **Replies:** 3\ **Last updated:** [June 22, 2022, 4:44pm UTC](https://forums.unrealengine.com/t/short-sounds-missing-from-packaged-ios-app/481069 "2022-06-22T16:44:49Z")
Recently, for seemingly nowhere, my .ipa-builds running natively on an iOS / iPadOS-devices are lacking specific sound files. All of them are short clips, such as collision sounds and ui button effects. They’re present w… --- ## [Static Meshes, foliage, dissappearing after being packaged](https://forums.unrealengine.com/t/static-meshes-foliage-dissappearing-after-being-packaged/350371)
**Author:** [@anonymous\_user\_13072f58](https://forums.unrealengine.com/u/anonymous_user_13072f58)\ **Replies:** 6\ **Last updated:** [June 21, 2022, 10:54am UTC](https://forums.unrealengine.com/t/static-meshes-foliage-dissappearing-after-being-packaged/350371 "2022-06-21T10:54:09Z")
When I tried to package my demo in order to see how it handled with multiple people playing at the same time, I noticed all of my trees had magically disappeared, along with a few static mesh boxes. Anyone had this or a … --- ## [Packaging on Windows for IOS?](https://forums.unrealengine.com/t/packaging-on-windows-for-ios/541422)
**Author:** [@BernhardRieder](https://forums.unrealengine.com/u/BernhardRieder)\ **Replies:** 4\ **Last updated:** [April 28, 2022, 6:58pm UTC](https://forums.unrealengine.com/t/packaging-on-windows-for-ios/541422 "2022-04-28T18:58:29Z")
I am trying to Package from Windows 11 Pro, 64 to iOS. I am getting the error message, that I do have a missing SDK. What specific SDK package do I have to install in order to package for iOS? Any download link? Than… --- ## [Error Packaging Hololens 2 Mixed Reality Tools Project](https://forums.unrealengine.com/t/error-packaging-hololens-2-mixed-reality-tools-project/476573)
**Author:** [@anonymous\_user\_185f299e](https://forums.unrealengine.com/u/anonymous_user_185f299e)\ **Replies:** 1\ **Last updated:** [April 8, 2022, 8:09am UTC](https://forums.unrealengine.com/t/error-packaging-hololens-2-mixed-reality-tools-project/476573 "2022-04-08T08:09:05Z")
Hey everyone, I was watching and following along with this demo Hololens 2 project: Youtube - ´Create a HoloLens 2 app with Unreal Engine and Mixed Reality UX Tools | Inside Unrealstrong text´ Unfortunately, everytime… --- ## [Bad Name Index Error on Packing](https://forums.unrealengine.com/t/bad-name-index-error-on-packing/416246)
**Author:** [@LucasVix](https://forums.unrealengine.com/u/LucasVix)\ **Replies:** 8\ **Last updated:** [February 18, 2022, 11:57am UTC](https://forums.unrealengine.com/t/bad-name-index-error-on-packing/416246 "2022-02-18T11:57:55Z")
Whenever I try to pack my game it keeps having the error: "LogInit: Display: LogLinker: Error: Bad Name index -1/96" "LogInit: Display: LogLinker: Error: Bad Name index -1/108" Please someone help me, I’ve spent so mu… --- ## [.uplugin EnabledByDefault flag does not work for launched nor packaged games](https://forums.unrealengine.com/t/uplugin-enabledbydefault-flag-does-not-work-for-launched-nor-packaged-games/354295)
**Author:** [@Niall\_Douglas](https://forums.unrealengine.com/u/Niall_Douglas)\ **Replies:** 8\ **Last updated:** [November 11, 2021, 2:44pm UTC](https://forums.unrealengine.com/t/uplugin-enabledbydefault-flag-does-not-work-for-launched-nor-packaged-games/354295 "2021-11-11T14:44:06Z")
To reproduce: Create a plugin with the EnabledByDefault flag set to true in its .uplugin file and which provides a Runtime module. Load game into Editor. Game plays fine in editor. Launch game. Launch will fail due to … [Next page](https://forums.unrealengine.com/tag/packaging-and-cookin/9769.md?match_all_tags=true&page=1&tags%5B%5D=packaging-and-cookin)