# \#package **URL:** https://forums.unrealengine.com/tag/package/519.md [Latest](https://forums.unrealengine.com/latest.md) · [Categories](https://forums.unrealengine.com/categories.md) · [Tags](https://forums.unrealengine.com/tags.md) --- ## [Video not playing in packaged APK](https://forums.unrealengine.com/t/video-not-playing-in-packaged-apk/374301)
**Author:** [@XADIFY](https://forums.unrealengine.com/u/XADIFY)\ **Replies:** 27\ **Last updated:** [October 21, 2026, 3:51pm UTC](https://forums.unrealengine.com/t/video-not-playing-in-packaged-apk/374301 "2026-10-21T15:51:30Z")
Hi there, I’m using 4.13 and can’t figure out a way to play video in android device. I have coded all the stuff and video plays perfectly in editor. But I see jus black on the device when exported. I’m very much confus… --- ## [Perfectly Optimized - Free Template Made for Older Hardware](https://forums.unrealengine.com/t/perfectly-optimized-free-template-made-for-older-hardware/2684738)
**Author:** [@UnrealGameDev](https://forums.unrealengine.com/u/UnrealGameDev)\ **Replies:** 17\ **Last updated:** [September 24, 2026, 3:12pm UTC](https://forums.unrealengine.com/t/perfectly-optimized-free-template-made-for-older-hardware/2684738 "2026-09-24T15:12:45Z")
Perfectly Optimized – UE5 Lightweight Starter Template Perfectly Optimized is a streamlined Unreal Engine 5 starter template specifically engineered to deliver substantial performance gains on lower-end hardware. Whil… --- ## [UI doesn't scale correctly when packaged](https://forums.unrealengine.com/t/ui-doesnt-scale-correctly-when-packaged/2810836)
**Author:** [@KMzuru](https://forums.unrealengine.com/u/KMzuru)\ **Replies:** 1\ **Last updated:** [September 18, 2026, 9:23am UTC](https://forums.unrealengine.com/t/ui-doesnt-scale-correctly-when-packaged/2810836 "2026-09-18T09:23:21Z")
I’m not sure what stupid setting I may have accidentally clicked on but for some reason on a packaged shipping build the UI doesn’t scale at all. It appears fine when at 1080p but not otherwise. I think this only starte… --- ## [ShotLink - Unreal as a live render source for After Effects (UE 5.6+, free beta) ](https://forums.unrealengine.com/t/shotlink-unreal-as-a-live-render-source-for-after-effects-ue-5-6-free-beta/2742113)
**Author:** [@ShotLinkLabs](https://forums.unrealengine.com/u/ShotLinkLabs)\ **Replies:** 0\ **Last updated:** [August 8, 2026, 1:05pm UTC](https://forums.unrealengine.com/t/shotlink-unreal-as-a-live-render-source-for-after-effects-ue-5-6-free-beta/2742113 "2026-08-08T13:05:18Z")
Hi all :waving\_hand: I’ve been building a plugin that lets After Effects pull a live render out of a running Unreal instance - editor or packaged build - and treat it as a layer in the composition. https://youtu.be… --- ## [In ue5.7 I don't have the Platforms button](https://forums.unrealengine.com/t/in-ue5-7-i-dont-have-the-platforms-button/2670096)
**Author:** [@K.O.D12](https://forums.unrealengine.com/u/K.O.D12)\ **Replies:** 6\ **Last updated:** [July 13, 2026, 4:31pm UTC](https://forums.unrealengine.com/t/in-ue5-7-i-dont-have-the-platforms-button/2670096 "2026-07-13T16:31:56Z")
I just want to package the game. I did reset the layout to default, verify installation, restart editor, restart pc. Any help will be appreciated :wink: --- ## [UE5.8 Packaging fails for a brand new project. Has anyone packaged successfully? Please help!](https://forums.unrealengine.com/t/ue5-8-packaging-fails-for-a-brand-new-project-has-anyone-packaged-successfully-please-help/2725168)
**Author:** [@Anonymous\_cca4fc9bcd09684dd4a492cf1ec5b4e5](https://forums.unrealengine.com/u/Anonymous_cca4fc9bcd09684dd4a492cf1ec5b4e5)\ **Replies:** 2\ **Last updated:** [June 23, 2026, 2:47pm UTC](https://forums.unrealengine.com/t/ue5-8-packaging-fails-for-a-brand-new-project-has-anyone-packaged-successfully-please-help/2725168 "2026-06-23T14:47:58Z")
Hello everyone, I’m encountering a packaging issue with UE5.8. Even for a brand new project​ (Blank or Basic template) with no modifications, packaging fails. My questions: \*\*Has anyone successfully packaged a… --- ## [Grass flickering / turning black in Windows build (Mac emulation)](https://forums.unrealengine.com/t/grass-flickering-turning-black-in-windows-build-mac-emulation/2727493)
**Author:** [@krisz\_0325](https://forums.unrealengine.com/u/krisz_0325)\ **Replies:** 0\ **Last updated:** [June 9, 2026, 5:11pm UTC](https://forums.unrealengine.com/t/grass-flickering-turning-black-in-windows-build-mac-emulation/2727493 "2026-06-09T17:11:04Z")
I exported a UE5 project to Windows, and a designer I made it for is running it on a Mac using a Windows emulator/VM. The grass/foliage is flickering a lot and sometimes turns black or disappears. Other objects seem fin… --- ## [How to configure logging in packaged build?](https://forums.unrealengine.com/t/how-to-configure-logging-in-packaged-build/338009)
**Author:** [@anonymous\_user\_0b19da5d](https://forums.unrealengine.com/u/anonymous_user_0b19da5d)\ **Replies:** 15\ **Last updated:** [May 6, 2026, 7:53pm UTC](https://forums.unrealengine.com/t/how-to-configure-logging-in-packaged-build/338009 "2026-05-06T19:53:58Z")
To configure logging in ordinal cooked build you specify required log level in \[ProjectName\]/Config/DefaultEngine.ini, \[Core.Log\] section. There’s no such file in packaged build. --- ## [How to create expansion packs or dlc in UE5?](https://forums.unrealengine.com/t/how-to-create-expansion-packs-or-dlc-in-ue5/1655020)
**Author:** [@Faey01](https://forums.unrealengine.com/u/Faey01)\ **Replies:** 7\ **Last updated:** [April 2, 2026, 8:33am UTC](https://forums.unrealengine.com/t/how-to-create-expansion-packs-or-dlc-in-ue5/1655020 "2026-04-02T08:33:21Z")
I am trying to find ways or tutorials on how to create an expansion pack or DLC for game created on Unreal Engine 5.2. I wanted to create a new expansion that is separate from the base game. (Like adding files to the cu… --- ## [Packaging Fails with 'ICUInternationalization data file' Error ONLY in Original project Directory (UE5)](https://forums.unrealengine.com/t/packaging-fails-with-icuinternationalization-data-file-error-only-in-original-project-directory-ue5/2684581)
**Author:** [@SkyTree\_0](https://forums.unrealengine.com/u/SkyTree_0)\ **Replies:** 4\ **Last updated:** [December 29, 2025, 10:31am UTC](https://forums.unrealengine.com/t/packaging-fails-with-icuinternationalization-data-file-error-only-in-original-project-directory-ue5/2684581 "2025-12-29T10:31:05Z")
Hi everyone. I’m running into a packaging issue that has me a bit confused. The project compiles and cooks content without any issues. Everything proceeds normally up until the very end of the packaging process, where i… --- ## [I get LogAudioMixer error while packaging](https://forums.unrealengine.com/t/i-get-logaudiomixer-error-while-packaging/767713)
**Author:** [@drexlerrr](https://forums.unrealengine.com/u/drexlerrr)\ **Replies:** 15\ **Last updated:** [December 12, 2025, 9:35pm UTC](https://forums.unrealengine.com/t/i-get-logaudiomixer-error-while-packaging/767713 "2025-12-12T21:35:19Z")
When I try to package my project. I get this error. PackagingResults: Error: Unknown Error LogAudioMixer: Warning: Decoder Error, stopping source \[CompileFailed\] I couldn’t find any help or any information about this … --- ## [PS5 shader compile error when building installed engine from UE 5.6.1 ](https://forums.unrealengine.com/t/ps5-shader-compile-error-when-building-installed-engine-from-ue-5-6-1/2671651)
**Author:** [@b\_jonte](https://forums.unrealengine.com/u/b_jonte)\ **Replies:** 0\ **Last updated:** [November 4, 2025, 2:36pm UTC](https://forums.unrealengine.com/t/ps5-shader-compile-error-when-building-installed-engine-from-ue-5-6-1/2671651 "2025-11-04T14:36:12Z")
We upgraded from 5.4.4 to 5.6.1 and we can no longer build an installed engine. We trigger it like this. Source/Engine/Build/BatchFiles/RunUAT.bat BuildGraph -target=“Make Installed Build Win64” -script=“Engine/Build/I… --- ## [UE 4.6 - animations doesn't work after packaging project, warning in log](https://forums.unrealengine.com/t/ue-4-6-animations-doesnt-work-after-packaging-project-warning-in-log/306375)
**Author:** [@hamsterPL](https://forums.unrealengine.com/u/hamsterPL)\ **Replies:** 8\ **Last updated:** [October 30, 2025, 2:44pm UTC](https://forums.unrealengine.com/t/ue-4-6-animations-doesnt-work-after-packaging-project-warning-in-log/306375 "2025-10-30T14:44:07Z")
Hi Recently I made anim blueprint for skeletal mesh character, with states and functions. Everything work great when I test while playing in editor. Unfortunatelly in package game only one animation works - idle, which… --- ## [Please support the namespace for UClass](https://forums.unrealengine.com/t/please-support-the-namespace-for-uclass/531393)
**Author:** [@Movement](https://forums.unrealengine.com/u/Movement)\ **Replies:** 4\ **Last updated:** [September 1, 2025, 11:31am UTC](https://forums.unrealengine.com/t/please-support-the-namespace-for-uclass/531393 "2025-09-01T11:31:29Z")
Currently I’m creating a plugin in Unreal Engine I would like to use a namespace to avoid name collisions in class names. I found out that UClass doesn’t support namespaces. Currently, we avoid name collisions by givi… --- ## [The definitive guide on packaging icons for Windows executables](https://forums.unrealengine.com/t/the-definitive-guide-on-packaging-icons-for-windows-executables/1695264)
**Author:** [@MisterPixel](https://forums.unrealengine.com/u/MisterPixel)\ **Replies:** 8\ **Last updated:** [August 7, 2025, 1:20pm UTC](https://forums.unrealengine.com/t/the-definitive-guide-on-packaging-icons-for-windows-executables/1695264 "2025-08-07T13:20:27Z")
Here’s the ultimate guide you’ve all been waiting for :stuck\_out\_tongue: See if you can relate: So, I’ve recently spent about 2 days (yes, 2 days…) trying to figure out what was wrong with my packaging process, as whene… --- ## [Raw inclusion of uncooked plugins/mods/DLC in a packaged game ](https://forums.unrealengine.com/t/raw-inclusion-of-uncooked-plugins-mods-dlc-in-a-packaged-game/2621210)
**Author:** [@CarlaMPN](https://forums.unrealengine.com/u/CarlaMPN)\ **Replies:** 1\ **Last updated:** [July 28, 2025, 2:42pm UTC](https://forums.unrealengine.com/t/raw-inclusion-of-uncooked-plugins-mods-dlc-in-a-packaged-game/2621210 "2025-07-28T14:42:42Z")
Hi, I have a packaged project which deliberately does not use .pak files. How can I add a content-only plugin/mod/DLC to this packaged game without necessarily referencing the project’s uproject file? That is, I want t… --- ## [How to use config (.ini) file in packaged game](https://forums.unrealengine.com/t/how-to-use-config-ini-file-in-packaged-game/467825)
**Author:** [@anonymous\_user\_431c19b1](https://forums.unrealengine.com/u/anonymous_user_431c19b1)\ **Replies:** 5\ **Last updated:** [June 5, 2025, 8:45pm UTC](https://forums.unrealengine.com/t/how-to-use-config-ini-file-in-packaged-game/467825 "2025-06-05T20:45:31Z")
I’m trying to use a config file for my game. I have in my game instance file: UCLASS(Config=CustomConfig) class TEMP\_API UMyGameInstance : public UGameInstance { GENERATED\_BODY() protected: UPROPERTY(Config, Blueprin… --- ## [blueprints widgets not working in packaged game](https://forums.unrealengine.com/t/blueprints-widgets-not-working-in-packaged-game/468142)
**Author:** [@UgoChannelTV](https://forums.unrealengine.com/u/UgoChannelTV)\ **Replies:** 14\ **Last updated:** [May 29, 2025, 2:46pm UTC](https://forums.unrealengine.com/t/blueprints-widgets-not-working-in-packaged-game/468142 "2025-05-29T14:46:14Z")
Hi everyone, I just finished a demo of my game but i have a big issue and I can’t fix it! In play editor the widgets work fine but when I package the project THEY DOESN’T SHOW UP!!! Please help me --- ## [Texture become empty after ReloadPackages, how to debug rendering code?](https://forums.unrealengine.com/t/texture-become-empty-after-reloadpackages-how-to-debug-rendering-code/2517392)
**Author:** [@CheapMeow](https://forums.unrealengine.com/u/CheapMeow)\ **Replies:** 2\ **Last updated:** [May 20, 2025, 2:35am UTC](https://forums.unrealengine.com/t/texture-become-empty-after-reloadpackages-how-to-debug-rendering-code/2517392 "2025-05-20T02:35:45Z")
Problem I use ReloadPackages to reload texture A from new pak files at runtime. UI that use texture A is refreshed perfectly, but Material B that use texture A is turning black. I use RenderDoc, and find my new texture A… --- ## [Error 'Unable to resolve the preset' when Using Remote Preset with Plugin Remote Control API in Packaged Project](https://forums.unrealengine.com/t/error-unable-to-resolve-the-preset-when-using-remote-preset-with-plugin-remote-control-api-in-packaged-project/1864992)
**Author:** [@Matlebg4](https://forums.unrealengine.com/u/Matlebg4)\ **Replies:** 2\ **Last updated:** [May 19, 2025, 8:06am UTC](https://forums.unrealengine.com/t/error-unable-to-resolve-the-preset-when-using-remote-preset-with-plugin-remote-control-api-in-packaged-project/1864992 "2025-05-19T08:06:04Z")
Hello, I hope everything is ok for you. I am working on an Unreal Engine 5.3 project that utilizes the Remote Control API plugin. I use it to manipulate my level with a Remote Preset and Blueprint. Everything works fine… --- ## [Problem with packaging of MSVC (C4668, C4067, C4996)](https://forums.unrealengine.com/t/problem-with-packaging-of-msvc-c4668-c4067-c4996/2477485)
**Author:** [@Nizami\_Nz](https://forums.unrealengine.com/u/Nizami_Nz)\ **Replies:** 0\ **Last updated:** [April 26, 2025, 8:57pm UTC](https://forums.unrealengine.com/t/problem-with-packaging-of-msvc-c4668-c4067-c4996/2477485 "2025-04-26T20:57:10Z")
Continuing the discussion from Can't compile 5.4 Projects anymore, I need help.: For those who are looking for an answer! The solutions above were partially correct: Open file in your project (ProjectFolder → Sourc… --- ## [FAB plugin build errors, which do not show in my own environment. Configuration?](https://forums.unrealengine.com/t/fab-plugin-build-errors-which-do-not-show-in-my-own-environment-configuration/2474228)
**Author:** [@Roy\_Wierer.Seda145](https://forums.unrealengine.com/u/Roy_Wierer.Seda145)\ **Replies:** 0\ **Last updated:** [April 24, 2025, 4:27pm UTC](https://forums.unrealengine.com/t/fab-plugin-build-errors-which-do-not-show-in-my-own-environment-configuration/2474228 "2025-04-24T16:27:15Z")
Something odd popped up lately. When uploading a code plugin to FAB, FAB builds the plugin on their end to test if there are warnings / errors during the build process. The error “an explicit category is required for an… --- ## [Standalone works but packaged build has fatal startup error](https://forums.unrealengine.com/t/standalone-works-but-packaged-build-has-fatal-startup-error/377074)
**Author:** [@HuntaKiller](https://forums.unrealengine.com/u/HuntaKiller)\ **Replies:** 14\ **Last updated:** [April 16, 2025, 9:48pm UTC](https://forums.unrealengine.com/t/standalone-works-but-packaged-build-has-fatal-startup-error/377074 "2025-04-16T21:48:53Z")
I can’t seem to figure out why my packaged build does not run. Immediately on startup an error box appears saying “fatal error” with no other information. I’ve tried fresh builds with both development and shipping config… --- ## [Chaos objects not working in a package build](https://forums.unrealengine.com/t/chaos-objects-not-working-in-a-package-build/461371)
**Author:** [@jkinz3](https://forums.unrealengine.com/u/jkinz3)\ **Replies:** 2\ **Last updated:** [April 5, 2025, 1:04pm UTC](https://forums.unrealengine.com/t/chaos-objects-not-working-in-a-package-build/461371 "2025-04-05T13:04:33Z")
I’m packaging my build in the test configuration (with the cooker set to Test as well). Unfortunately, none of my chaos objects are showing in the build. They just aren’t there. Anyone know why this could be? --- ## [\[Dedicated Server\] Missing SDL3.dll when it starts...](https://forums.unrealengine.com/t/dedicated-server-missing-sdl3-dll-when-it-starts/2376162)
**Author:** [@Suundumused](https://forums.unrealengine.com/u/Suundumused)\ **Replies:** 23\ **Last updated:** [March 9, 2025, 11:53pm UTC](https://forums.unrealengine.com/t/dedicated-server-missing-sdl3-dll-when-it-starts/2376162 "2025-03-09T23:53:58Z")
Hello, I’ve been trying to solve this problem for months. I package the dedicated server for distribution, and when I start it, the following message appears: Assertion Failed: Missing SDL3.dll I’ve already tried copyin… --- ## [Pure virtual function being called while application was running (GIsRunning == 1) in packaged build](https://forums.unrealengine.com/t/pure-virtual-function-being-called-while-application-was-running-gisrunning-1-in-packaged-build/2350543)
**Author:** [@NotSoFamous](https://forums.unrealengine.com/u/NotSoFamous)\ **Replies:** 2\ **Last updated:** [March 4, 2025, 12:53pm UTC](https://forums.unrealengine.com/t/pure-virtual-function-being-called-while-application-was-running-gisrunning-1-in-packaged-build/2350543 "2025-03-04T12:53:34Z")
So long story short, the majority of the time that I try to launch into my game map from the main menu (using the Open Level node) in a packaged build, I get this error: Pure virtual function being called while applicat… --- ## [Unknown Structure Error](https://forums.unrealengine.com/t/unknown-structure-error/2238831)
**Author:** [@T4l\_R](https://forums.unrealengine.com/u/T4l_R)\ **Replies:** 3\ **Last updated:** [February 17, 2025, 6:26am UTC](https://forums.unrealengine.com/t/unknown-structure-error/2238831 "2025-02-17T06:26:30Z")
Hi, When I try to package my project I get lots of unknown structure errors coming from something with data table row out rows. I don’t get any errors during runtime before packaging and I didn’t get these errors before… --- ## [Execution failed for task ':app:checkReleaseDuplicateClasses'](https://forums.unrealengine.com/t/execution-failed-for-task-checkreleaseduplicateclasses/2315767)
**Author:** [@loneN0mad](https://forums.unrealengine.com/u/loneN0mad)\ **Replies:** 0\ **Last updated:** [February 3, 2025, 10:15am UTC](https://forums.unrealengine.com/t/execution-failed-for-task-checkreleaseduplicateclasses/2315767 "2025-02-03T10:15:52Z")
Unreal 5.4 jdk 17(it seems 17 is mandatory) ndk 25 target sdk = 34 (minimum requirement in play store) I got spam of these errors: Duplicate class com.google.android.play.core.assetpacks.AssetLocation found in modul… --- ## [Missing some Data Assets in package](https://forums.unrealengine.com/t/missing-some-data-assets-in-package/477485)
**Author:** [@belgarion01](https://forums.unrealengine.com/u/belgarion01)\ **Replies:** 3\ **Last updated:** [February 9, 2025, 12:43am UTC](https://forums.unrealengine.com/t/missing-some-data-assets-in-package/477485 "2025-02-09T00:43:26Z")
Hi, I hope you’re doing well ! For short, I’ve Data Assets which I use in my game scene (ex: DA\_Upgrades I put in the upgrade list of a BP\_Machine in my Map). Some of these Data Assets just disappear or loose their path… --- ## [when i package the game, the game changes](https://forums.unrealengine.com/t/when-i-package-the-game-the-game-changes/2272025)
**Author:** [@Vicolit](https://forums.unrealengine.com/u/Vicolit)\ **Replies:** 1\ **Last updated:** [January 12, 2025, 4:32pm UTC](https://forums.unrealengine.com/t/when-i-package-the-game-the-game-changes/2272025 "2025-01-12T16:32:06Z")
When I play the game from the ue5 simulator, there is nothing, but after I package the game, the game not like in ue5 simulator. Can someone help me, i can send the video [Next page](https://forums.unrealengine.com/tag/package/519.md?match_all_tags=true&page=1&tags%5B%5D=package)