# \#errors

**URL:** https://forums.unrealengine.com/tag/errors/3256.md

[Latest](https://forums.unrealengine.com/latest.md) · [Categories](https://forums.unrealengine.com/categories.md) · [Tags](https://forums.unrealengine.com/tags.md)

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## [Is it possible to throw an error in blueprint?](https://forums.unrealengine.com/t/is-it-possible-to-throw-an-error-in-blueprint/282796)

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**Author:** [@anonymous\_user\_ffb7c36b](https://forums.unrealengine.com/u/anonymous_user_ffb7c36b)\
**Replies:** 23\
**Last updated:** [April 21, 2026, 4:56am UTC](https://forums.unrealengine.com/t/is-it-possible-to-throw-an-error-in-blueprint/282796 "2026-04-21T04:56:00Z")

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I have a trigger blueprint and I have a door blueprint that has an array of trigger blueprints. I would like to throw an error if there is no trigger to one of the logs so that I can click on the asset in question and it…

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## [Plugin Errors in Mac Build \[RESOLVED\]](https://forums.unrealengine.com/t/plugin-errors-in-mac-build-resolved/472950)

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**Author:** [@KindredGames](https://forums.unrealengine.com/u/KindredGames)\
**Replies:** 2\
**Last updated:** [August 26, 2025, 5:02am UTC](https://forums.unrealengine.com/t/plugin-errors-in-mac-build-resolved/472950 "2025-08-26T05:02:56Z")

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Hey guys. We recently launched our game on Steam and are now trying to get a Mac build together, but we’ve been running into some errors. It seems like all the errors are due to missing nodes from plugins, yet all the …

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## [How to stop Error message Pop up?](https://forums.unrealengine.com/t/how-to-stop-error-message-pop-up/477617)

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**Author:** [@PatchsStitch](https://forums.unrealengine.com/u/PatchsStitch)\
**Replies:** 11\
**Last updated:** [September 8, 2024, 7:16pm UTC](https://forums.unrealengine.com/t/how-to-stop-error-message-pop-up/477617 "2024-09-08T19:16:05Z")

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Can you show a picture ( there are many pop up boxes ).

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## [Default Property Warning](https://forums.unrealengine.com/t/default-property-warning/398798)

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**Author:** [@anonymous\_user\_f6a90cdc](https://forums.unrealengine.com/u/anonymous_user_f6a90cdc)\
**Replies:** 18\
**Last updated:** [September 26, 2023, 3:46pm UTC](https://forums.unrealengine.com/t/default-property-warning/398798 "2023-09-26T15:46:48Z")

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You can fix the error by removing all references that point to “ThirdPersonCharacter”. I would suggest starting a new ThirdPerson template and doing a Reference View for “ThirdPersonCharacter” to see where it is being u…

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## [The BP\_Tree\_Asteria\_RubberTree C is making errors when launching a session](https://forums.unrealengine.com/t/the-bp-tree-asteria-rubbertree-c-is-making-errors-when-launching-a-session/1240596)

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**Author:** [@ShalevFNC](https://forums.unrealengine.com/u/ShalevFNC)\
**Replies:** 3\
**Last updated:** [July 28, 2023, 3:39pm UTC](https://forums.unrealengine.com/t/the-bp-tree-asteria-rubbertree-c-is-making-errors-when-launching-a-session/1240596 "2023-07-28T15:39:32Z")

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When I’m trying to launch a session or push changes, I get errors because I’m using this new tree from the new chpater 4 jungle gallery that we got in today’s update (v25.20) Please Epic, fix it as fast as possible. …

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## [Cannot cast from float2 to float3](https://forums.unrealengine.com/t/cannot-cast-from-float2-to-float3/483461)

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**Author:** [@anonymous\_user\_bd3869761](https://forums.unrealengine.com/u/anonymous_user_bd3869761)\
**Replies:** 7\
**Last updated:** [April 21, 2023, 11:46am UTC](https://forums.unrealengine.com/t/cannot-cast-from-float2-to-float3/483461 "2023-04-21T11:46:51Z")

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I’m getting a warning about an function I have created.

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## [Error Prerequisites x64](https://forums.unrealengine.com/t/error-prerequisites-x64/345549)

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**Author:** [@Audam](https://forums.unrealengine.com/u/Audam)\
**Replies:** 20\
**Last updated:** [April 15, 2023, 6:21pm UTC](https://forums.unrealengine.com/t/error-prerequisites-x64/345549 "2023-04-15T18:21:32Z")

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As the title says the x64 version of prereq wont install. The x86 version installs without any problem at all. Only problem is that it’s not what’s needed to install the engine. I have every single thread similar to th…

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## [What does data validation do and why does it fail?](https://forums.unrealengine.com/t/what-does-data-validation-do-and-why-does-it-fail/456782)

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**Author:** [@noblweb](https://forums.unrealengine.com/u/noblweb)\
**Replies:** 3\
**Last updated:** [April 27, 2022, 8:22am UTC](https://forums.unrealengine.com/t/what-does-data-validation-do-and-why-does-it-fail/456782 "2022-04-27T08:22:01Z")

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Hey all, I’m building a massive open-world RPG and I have a lot of files, but I managed to fix all my warnings and all my errors when cooking my game. But whenever I try to validate my data, I get: Data validation FAIL…

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## [Errors while packaging plugin, even though the project can be compiled and packaged without errors?!](https://forums.unrealengine.com/t/errors-while-packaging-plugin-even-though-the-project-can-be-compiled-and-packaged-without-errors/500927)

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**Author:** [@STRiFE.x](https://forums.unrealengine.com/u/STRiFE.x)\
**Replies:** 0\
**Last updated:** [February 22, 2022, 12:44pm UTC](https://forums.unrealengine.com/t/errors-while-packaging-plugin-even-though-the-project-can-be-compiled-and-packaged-without-errors/500927 "2022-02-22T12:44:47Z")

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Hey! So I’m a little bit confused by this. When I go to the Plugins window and try to package my plugin for distribution, I get a bunch of compile errors. This is a C++ code plugin. The build process starts, building UE…

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## [Errors with Fortnite Loading](https://forums.unrealengine.com/t/errors-with-fortnite-loading/483702)

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**Author:** [@Mindso](https://forums.unrealengine.com/u/Mindso)\
**Replies:** 2\
**Last updated:** [February 22, 2022, 10:10am UTC](https://forums.unrealengine.com/t/errors-with-fortnite-loading/483702 "2022-02-22T10:10:56Z")

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I just downloaded Fortnite to my windows 10 desktop however when i go to run the game it throws me a long list of errors that i can do nothing about except close the tab which also closes the fortnite tab. Shortly after …

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## [UE5 error d help](https://forums.unrealengine.com/t/ue5-error-d-help/491457)

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**Author:** [@MasterToxic](https://forums.unrealengine.com/u/MasterToxic)\
**Replies:** 0\
**Last updated:** [November 29, 2021, 10:23pm UTC](https://forums.unrealengine.com/t/ue5-error-d-help/491457 "2021-11-29T22:23:38Z")

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i get this error when trying to preview the game in the editor in UE5 Fatal error: \[File:D:/build/++UE5/Sync/Engine/Source/Runtime/RenderCore/Private/RenderingThread.cpp\] \[Line: 912\] Rendering thread exception: Assert…

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## [My breakout doesn\`t work](https://forums.unrealengine.com/t/my-breakout-doesn-t-work/488069)

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**Author:** [@anonymous\_user\_9ef13246](https://forums.unrealengine.com/u/anonymous_user_9ef13246)\
**Replies:** 0\
**Last updated:** [August 27, 2021, 8:53am UTC](https://forums.unrealengine.com/t/my-breakout-doesn-t-work/488069 "2021-08-27T08:53:57Z")

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Hi, Im new to UE and trying to learn it through a tutorial on YouTube. I have an error that I dont understand what to do to fix. Here it is: Failed to load /Game/Materials/CollisionMaterial.CollisionMaterial Referenced b…

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## [Error when generating Visual Studio project files (.sln)](https://forums.unrealengine.com/t/error-when-generating-visual-studio-project-files-sln/487581)

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**Author:** [@Sr.Sharm](https://forums.unrealengine.com/u/Sr.Sharm)\
**Replies:** 0\
**Last updated:** [August 19, 2021, 8:02pm UTC](https://forums.unrealengine.com/t/error-when-generating-visual-studio-project-files-sln/487581 "2021-08-19T20:02:08Z")

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I have Unreal Engine 4 4.17 and 4.18 installed and Visual Studio 2017 IDE versions. When I’m press a button to generate VS .sln files, it gives this error: “Running C:/Program Files/Epic Games/UE\_4.17/Engine/Binaries/Do…

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## [How do I fix packaging errors in UE 4.26](https://forums.unrealengine.com/t/how-do-i-fix-packaging-errors-in-ue-4-26/487268)

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**Author:** [@dhouse115](https://forums.unrealengine.com/u/dhouse115)\
**Replies:** 2\
**Last updated:** [August 12, 2021, 5:50am UTC](https://forums.unrealengine.com/t/how-do-i-fix-packaging-errors-in-ue-4-26/487268 "2021-08-12T05:50:26Z")

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these are the errors I am getting could anyone please help me to understand how to fix these errors so that I can packages for shipping successfully? Fatal error: \[File:D:/Build/++UE4/Sync/Engine/Source/Runtime/Core/Pri…

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## [CompilationResultException: Error: OtherCompilationError](https://forums.unrealengine.com/t/compilationresultexception-error-othercompilationerror/483961)

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**Author:** [@RusMatreshka](https://forums.unrealengine.com/u/RusMatreshka)\
**Replies:** 1\
**Last updated:** [May 27, 2021, 7:58am UTC](https://forums.unrealengine.com/t/compilationresultexception-error-othercompilationerror/483961 "2021-05-27T07:58:31Z")

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There are no errors, just at the end of an unknown error jumps out. Log:

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## [4.26 BigSur xCode errors](https://forums.unrealengine.com/t/4-26-bigsur-xcode-errors/476508)

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**Author:** [@GODZILLA26](https://forums.unrealengine.com/u/GODZILLA26)\
**Replies:** 2\
**Last updated:** [February 10, 2021, 2:22am UTC](https://forums.unrealengine.com/t/4-26-bigsur-xcode-errors/476508 "2021-02-10T02:22:16Z")

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Hello! I create blank c++ project for editing in XCode. I create new c++ pawn file. I generate project files for xCode. I wait a long time for indexing project and i have errors: What can i do to resolve this errors?…

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## [\- 2 Parts: Object/Material displays at 90degrees + Material Mask will not rotate with object?](https://forums.unrealengine.com/t/2-parts-object-material-displays-at-90degrees-material-mask-will-not-rotate-with-object/477714)

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**Author:** [@BigHeadSmallArms](https://forums.unrealengine.com/u/BigHeadSmallArms)\
**Replies:** 1\
**Last updated:** [January 25, 2021, 10:12am UTC](https://forums.unrealengine.com/t/2-parts-object-material-displays-at-90degrees-material-mask-will-not-rotate-with-object/477714 "2021-01-25T10:12:22Z")

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Hi I have a 2 part issue. Part 1: I have a planet in Unreal, in the object editor it is aligned properly and the material displays correctly but in the game even with the rotation set to 0 it displays as being flipped 9…

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## [HTML5 Build failed with LE Http Request](https://forums.unrealengine.com/t/html5-build-failed-with-le-http-request/425579)

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**Author:** [@OWSON](https://forums.unrealengine.com/u/OWSON)\
**Replies:** 11\
**Last updated:** [January 15, 2021, 11:50am UTC](https://forums.unrealengine.com/t/html5-build-failed-with-le-http-request/425579 "2021-01-15T11:50:49Z")

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Hi, i encounter build failed when i try to deploy my package to HTML5, when selected LE HTTP request plugin. The error log is :- error: Linking globals named ‘\_Z14UELinkerFixupsv’: symbol multiply defined! link textER…

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## [MD-DL Error](https://forums.unrealengine.com/t/md-dl-error/475057)

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**Author:** [@arca1n](https://forums.unrealengine.com/u/arca1n)\
**Replies:** 0\
**Last updated:** [November 27, 2020, 6:06am UTC](https://forums.unrealengine.com/t/md-dl-error/475057 "2020-11-27T06:06:28Z")

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Unable to install the UE 4.25 with the MD-DL Error.

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## [I cannot package my game...What to do?](https://forums.unrealengine.com/t/i-cannot-package-my-game-what-to-do/473482)

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**Author:** [@panezgiannis-kil](https://forums.unrealengine.com/u/panezgiannis-kil)\
**Replies:** 0\
**Last updated:** [October 26, 2020, 3:04am UTC](https://forums.unrealengine.com/t/i-cannot-package-my-game-what-to-do/473482 "2020-10-26T03:04:44Z")

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Guys I am having this error:‘Packaging Failed in windows -64 bit’ the "code’ of the error is this:’ BuildAndSubmitErrors: New page: Build and Submit BuildAndSubmitErrors: Error: Cannot connect to source control; automa…

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## [Third Person Fresh Project](https://forums.unrealengine.com/t/third-person-fresh-project/462245)

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**Author:** [@ajeets1978](https://forums.unrealengine.com/u/ajeets1978)\
**Replies:** 2\
**Last updated:** [September 11, 2020, 6:19am UTC](https://forums.unrealengine.com/t/third-person-fresh-project/462245 "2020-09-11T06:19:25Z")

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UE has some problems, I am seeing some unknown errors during packaging and then I tried to create a new project third person template. Now before I do any addition I tried packaging, when i run the build from that pack…

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## [How do I Enable LoadFromRemoteSources](https://forums.unrealengine.com/t/how-do-i-enable-loadfromremotesources/446241)

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**Author:** [@YoAvrageBiTz](https://forums.unrealengine.com/u/YoAvrageBiTz)\
**Replies:** 1\
**Last updated:** [July 21, 2020, 6:10pm UTC](https://forums.unrealengine.com/t/how-do-i-enable-loadfromremotesources/446241 "2020-07-21T18:10:56Z")

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Cut Down version of build (Important Info): An attempt was made to load an assembly from a network location which would have caused the assembly to be sandboxed in previous versions of the .NET Framework. This release of…

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## [\[UE4.24\] Packaging errors questions](https://forums.unrealengine.com/t/ue4-24-packaging-errors-questions/467673)

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**Author:** [@vihulym](https://forums.unrealengine.com/u/vihulym)\
**Replies:** 0\
**Last updated:** [July 5, 2020, 1:50am UTC](https://forums.unrealengine.com/t/ue4-24-packaging-errors-questions/467673 "2020-07-05T01:50:27Z")

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Hey guys, can anyone try to help me solve this error? It keeps showing up while I’m trying to package, and I’ve tried packaging it countless times already. Can anyone please help me solve these two errors: UATHelper: Pa…

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## [Random Screen freezes, Brushify and a wall of errors](https://forums.unrealengine.com/t/random-screen-freezes-brushify-and-a-wall-of-errors/462240)

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**Author:** [@Joshua42777](https://forums.unrealengine.com/u/Joshua42777)\
**Replies:** 2\
**Last updated:** [March 9, 2020, 1:56pm UTC](https://forums.unrealengine.com/t/random-screen-freezes-brushify-and-a-wall-of-errors/462240 "2020-03-09T13:56:40Z")

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Hello, Hopefully I’m posting this in the right place. I just bought the moorlands pack for brushify. I decided to take it for a spin. I made some OK landscapes, however I get a wall of errors. (the same error over …

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## [FMemoryWriter does not support data larger than 2GB](https://forums.unrealengine.com/t/fmemorywriter-does-not-support-data-larger-than-2gb/299431)

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**Author:** [@anonymous\_user\_2053b1ba](https://forums.unrealengine.com/u/anonymous_user_2053b1ba)\
**Replies:** 17\
**Last updated:** [September 4, 2019, 11:13am UTC](https://forums.unrealengine.com/t/fmemorywriter-does-not-support-data-larger-than-2gb/299431 "2019-09-04T11:13:21Z")

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Hi guys im having problems packaging my project. I have cooked my content for windows and it keeps saying it failed. I then packaged my project for windows on development settings and that also failed. What am i doing wr…

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## [Art Tool issue: "Error: No object matches name..."](https://forums.unrealengine.com/t/art-tool-issue-error-no-object-matches-name/343147)

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**Author:** [@clariceane](https://forums.unrealengine.com/u/clariceane)\
**Replies:** 3\
**Last updated:** [June 26, 2019, 2:35pm UTC](https://forums.unrealengine.com/t/art-tool-issue-error-no-object-matches-name/343147 "2019-06-26T14:35:52Z")

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Hello, I’ve got some issues in using the Art Tool. I hope you guys could help me on this: When I forward the project file of my rigged characters to the animators, they are unable to open the animation interface, also t…

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## [Acessed none: trying to read property of branch & set player score](https://forums.unrealengine.com/t/acessed-none-trying-to-read-property-of-branch-set-player-score/449542)

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**Author:** [@Faulty\_markus](https://forums.unrealengine.com/u/Faulty_markus)\
**Replies:** 1\
**Last updated:** [May 26, 2019, 4:28pm UTC](https://forums.unrealengine.com/t/acessed-none-trying-to-read-property-of-branch-set-player-score/449542 "2019-05-26T16:28:52Z")

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## [How to solve this problem or is it a problem at all?](https://forums.unrealengine.com/t/how-to-solve-this-problem-or-is-it-a-problem-at-all/439278)

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**Author:** [@Tsar\_Zhukoff](https://forums.unrealengine.com/u/Tsar_Zhukoff)\
**Replies:** 1\
**Last updated:** [December 12, 2018, 9:10am UTC](https://forums.unrealengine.com/t/how-to-solve-this-problem-or-is-it-a-problem-at-all/439278 "2018-12-12T09:10:33Z")

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I have this error when I bake… What can I do to solve this problem? Please HEEELP Thanks Suleiman Zhukov

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## [4.20 packaging fail / crashes randomly in editor](https://forums.unrealengine.com/t/4-20-packaging-fail-crashes-randomly-in-editor/435039)

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**Author:** [@Arcane](https://forums.unrealengine.com/u/Arcane)\
**Replies:** 1\
**Last updated:** [October 4, 2018, 7:32pm UTC](https://forums.unrealengine.com/t/4-20-packaging-fail-crashes-randomly-in-editor/435039 "2018-10-04T19:32:47Z")

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I can’t seem to package / and it will randomly crash if it is just open and I’m not even touching computer - I opened it a half hour ago to work on it and before I could even do anything it crashed these errors don’t sh…

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## [MAC build crashes on map](https://forums.unrealengine.com/t/mac-build-crashes-on-map/433354)

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**Author:** [@anonymous\_user\_b232c1c1](https://forums.unrealengine.com/u/anonymous_user_b232c1c1)\
**Replies:** 0\
**Last updated:** [September 7, 2018, 8:12am UTC](https://forums.unrealengine.com/t/mac-build-crashes-on-map/433354 "2018-09-07T08:12:34Z")

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Hi! After months of struggle with MAC version of our game we managed to get it running… most of the time. We have a problem with one map, which, if added to cooked maps in packaging settings, is causing the build to fai…

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