# \#source **URL:** https://forums.unrealengine.com/tag/source/981.md [Latest](https://forums.unrealengine.com/latest.md) · [Categories](https://forums.unrealengine.com/categories.md) · [Tags](https://forums.unrealengine.com/tags.md) --- ## [Build UE 5 Source NuGet Vulnerability Warning, Errors, Fails ](https://forums.unrealengine.com/t/build-ue-5-source-nuget-vulnerability-warning-errors-fails/2445858)
**Author:** [@kNighT.GLOW](https://forums.unrealengine.com/u/kNighT.GLOW)\ **Replies:** 8\ **Last updated:** [November 7, 2025, 3:40pm UTC](https://forums.unrealengine.com/t/build-ue-5-source-nuget-vulnerability-warning-errors-fails/2445858 "2025-11-07T15:40:19Z")
“This solution contains packages with vulnerabilities. Manage NuGet Packages" Installing UE5.4 from source. Setup.bat \> GenerateFiles.bat \> project.sh file \> set Development / Win64 Warning message on the top right le… --- ## [How to clean the import setting source file path?](https://forums.unrealengine.com/t/how-to-clean-the-import-setting-source-file-path/466092)
**Author:** [@snakos](https://forums.unrealengine.com/u/snakos)\ **Replies:** 4\ **Last updated:** [September 25, 2025, 12:06am UTC](https://forums.unrealengine.com/t/how-to-clean-the-import-setting-source-file-path/466092 "2025-09-25T00:06:59Z")
Hi dear UE community, I am planning to put environment assets to the unreal marketplace for the first time and i was wondering about the source file path for the fbx meshes and tga textures. Is it consider as an “unsue… --- ## [Where is my projects source folder? I don't see it when I'm browsing the project files](https://forums.unrealengine.com/t/where-is-my-projects-source-folder-i-dont-see-it-when-im-browsing-the-project-files/441928)
**Author:** [@AXlOM](https://forums.unrealengine.com/u/AXlOM)\ **Replies:** 2\ **Last updated:** [May 26, 2025, 6:03pm UTC](https://forums.unrealengine.com/t/where-is-my-projects-source-folder-i-dont-see-it-when-im-browsing-the-project-files/441928 "2025-05-26T18:03:11Z")
Can someone please tell me where it is? I see Config and Content, intermediate and saved folders but no source folder, I have looked through them all too. --- ## [Accessing "Detailed Lighting" Data in Code for Gameplay](https://forums.unrealengine.com/t/accessing-detailed-lighting-data-in-code-for-gameplay/2526247)
**Author:** [@X-perto](https://forums.unrealengine.com/u/X-perto)\ **Replies:** 3\ **Last updated:** [May 25, 2025, 1:02pm UTC](https://forums.unrealengine.com/t/accessing-detailed-lighting-data-in-code-for-gameplay/2526247 "2025-05-25T13:02:12Z")
Hey everyone, I’m trying to figure out how to capture something like Unreal’s “Detailed Lighting” view mode and write it into a render target so I can use it during gameplay. The idea is to isolate just the lighting (l… --- ## [Capturing "Detailed Lighting" View Mode to a Render Target for Gameplay Use](https://forums.unrealengine.com/t/capturing-detailed-lighting-view-mode-to-a-render-target-for-gameplay-use/2526242)
**Author:** [@X-perto](https://forums.unrealengine.com/u/X-perto)\ **Replies:** 0\ **Last updated:** [May 24, 2025, 3:55pm UTC](https://forums.unrealengine.com/t/capturing-detailed-lighting-view-mode-to-a-render-target-for-gameplay-use/2526242 "2025-05-24T15:55:31Z")
Hi all, I’m trying to find a way to capture something equivalent to Unreal Engine’s Detailed Lighting view mode and write it into a render target for use during gameplay. I’m wondering: Would this require modifying t… --- ## [What is "ushell", a CLI tool that ships with Unreal Engine? How to use it on Linux?](https://forums.unrealengine.com/t/what-is-ushell-a-cli-tool-that-ships-with-unreal-engine-how-to-use-it-on-linux/1710808)
**Author:** [@dzemzmcdonalda](https://forums.unrealengine.com/u/dzemzmcdonalda)\ **Replies:** 6\ **Last updated:** [May 7, 2025, 12:36pm UTC](https://forums.unrealengine.com/t/what-is-ushell-a-cli-tool-that-ships-with-unreal-engine-how-to-use-it-on-linux/1710808 "2025-05-07T12:36:11Z")
Hiya, Looking through Unreal’s source tree I noticed that there is a small CLI tool called ushell located under following directory: \[UnrealEngine\]/Engine/Extras/ushell Based on its README.txt, it looks very similar to… --- ## [Can't build UE 4.27 from source, I've tried every package. (WILL PAY FOR HELP)](https://forums.unrealengine.com/t/cant-build-ue-4-27-from-source-ive-tried-every-package-will-pay-for-help/2147419)
**Author:** [@rent\_treznor](https://forums.unrealengine.com/u/rent_treznor)\ **Replies:** 0\ **Last updated:** [November 23, 2024, 11:32pm UTC](https://forums.unrealengine.com/t/cant-build-ue-4-27-from-source-ive-tried-every-package-will-pay-for-help/2147419 "2024-11-23T23:32:48Z")
I have tried every single package I can, I get errors no mater what. I have reinstalled Visual Studio 2022 multiple times. I am thinking i’m simply missing some obscure package requirement in my installation, but i’ve r… --- ## [Remove all C++ and source files from Blueprint Project](https://forums.unrealengine.com/t/remove-all-c-and-source-files-from-blueprint-project/456348)
**Author:** [@AquaRex](https://forums.unrealengine.com/u/AquaRex)\ **Replies:** 2\ **Last updated:** [June 24, 2024, 10:27pm UTC](https://forums.unrealengine.com/t/remove-all-c-and-source-files-from-blueprint-project/456348 "2024-06-24T22:27:01Z")
I have this stupid problem… I ‘accidentally’ added a C++ class to a pure blueprint project. Now i’m unable to open the project because its “build with a different engine version”… which it is not, i’m unable to compile … --- ## [Unable to build UE4 from source](https://forums.unrealengine.com/t/unable-to-build-ue4-from-source/418281)
**Author:** [@anonymous\_user\_adb01925](https://forums.unrealengine.com/u/anonymous_user_adb01925)\ **Replies:** 5\ **Last updated:** [April 16, 2024, 3:17am UTC](https://forums.unrealengine.com/t/unable-to-build-ue4-from-source/418281 "2024-04-16T03:17:41Z")
I have downloaded the Release version of the engine from Github and am attempting to follow the instructions in this documentation: When I get to step 5 (Build UE4), I get the following errors: 1\>------ Build started… --- ## [Build from source - refusing root privileges](https://forums.unrealengine.com/t/build-from-source-refusing-root-privileges/453236)
**Author:** [@anonymous\_user\_0846af92](https://forums.unrealengine.com/u/anonymous_user_0846af92)\ **Replies:** 5\ **Last updated:** [April 14, 2024, 2:57pm UTC](https://forums.unrealengine.com/t/build-from-source-refusing-root-privileges/453236 "2024-04-14T14:57:05Z")
Hi all, I’m trying to build UE4 from source on my Debian (stretch) system. I’ve followed all of the instructions from the official guide, but compiling hits an error relating to my giving it superuser privileges - see … --- ## [Export a texture from Unreal Engine?](https://forums.unrealengine.com/t/export-a-texture-from-unreal-engine/313831)
**Author:** [@anonymous\_user\_1c573b1c](https://forums.unrealengine.com/u/anonymous_user_1c573b1c)\ **Replies:** 10\ **Last updated:** [March 30, 2024, 5:46am UTC](https://forums.unrealengine.com/t/export-a-texture-from-unreal-engine/313831 "2024-03-30T05:46:46Z")
Hello Guys, its possible to export a texture out of the unreal engine? I lost my source texture file. Cheers, --- ## [Building UE5 from source takes 12h. How can I fix this?](https://forums.unrealengine.com/t/building-ue5-from-source-takes-12h-how-can-i-fix-this/511182)
**Author:** [@Vinstand](https://forums.unrealengine.com/u/Vinstand)\ **Replies:** 7\ **Last updated:** [January 31, 2024, 4:34pm UTC](https://forums.unrealengine.com/t/building-ue5-from-source-takes-12h-how-can-i-fix-this/511182 "2024-01-31T16:34:19Z")
Hi, I wanted to test out UE5 so I cloned the 5.0 branch from GitHub, then clicked on the Setup.bat, then GenerateProjectFiles.bat and then opened the UE5.sln in VS 2022. There I selected Development Editor and Win64. In … --- ## [Converting Launcher/Binary-based project to use binaries compiled from source?](https://forums.unrealengine.com/t/converting-launcher-binary-based-project-to-use-binaries-compiled-from-source/289152)
**Author:** [@HateDread](https://forums.unrealengine.com/u/HateDread)\ **Replies:** 21\ **Last updated:** [August 20, 2014, 12:34am UTC](https://forums.unrealengine.com/t/converting-launcher-binary-based-project-to-use-binaries-compiled-from-source/289152 "2014-08-20T00:34:25Z")
Hey guys, So I’m switching over to the 4.3 source solution, which so far works fine. I now want to have my game / game editor project included in my solution, and using these binaries built from the source code. What’s… --- ## [\[UE5.1, Feedback, Feature Request\] \> UUserWidgetExtension needs way more access to UUserWidget!](https://forums.unrealengine.com/t/ue5-1-feedback-feature-request-uuserwidgetextension-needs-way-more-access-to-uuserwidget/781729)
**Author:** [@Roy\_Wierer.Seda145](https://forums.unrealengine.com/u/Roy_Wierer.Seda145)\ **Replies:** 0\ **Last updated:** [March 2, 2023, 4:17am UTC](https://forums.unrealengine.com/t/ue5-1-feedback-feature-request-uuserwidgetextension-needs-way-more-access-to-uuserwidget/781729 "2023-03-02T04:17:39Z")
The title ^ :slight\_smile: . Most interesting methods for a UUserWidgetExtension on a UUserWidget are protected. Can’t extend that. --- ## [Source-control for Engine Plugins](https://forums.unrealengine.com/t/source-control-for-engine-plugins/779623)
**Author:** [@Cromunus](https://forums.unrealengine.com/u/Cromunus)\ **Replies:** 0\ **Last updated:** [February 27, 2023, 12:23pm UTC](https://forums.unrealengine.com/t/source-control-for-engine-plugins/779623 "2023-02-27T12:23:51Z")
Hi, Our team has begun setting up source-control for animation projects and we wish to use content-plugins to store most of our content as there’s a lot of recycling of assets. We’re looking to have the engine source-c… --- ## [How to generate sln file from launcher downloaded source](https://forums.unrealengine.com/t/how-to-generate-sln-file-from-launcher-downloaded-source/380198)
**Author:** [@anonymous\_user\_a5cd030c1](https://forums.unrealengine.com/u/anonymous_user_a5cd030c1)\ **Replies:** 6\ **Last updated:** [January 10, 2023, 5:37am UTC](https://forums.unrealengine.com/t/how-to-generate-sln-file-from-launcher-downloaded-source/380198 "2023-01-10T05:37:21Z")
When I download the engine I checked Source checkbox in the download options.I found a “Source” folder , but have no idea how to generate sln file without generate bat file --- ## [Verify integrity of engine files on source version?](https://forums.unrealengine.com/t/verify-integrity-of-engine-files-on-source-version/728263)
**Author:** [@S\_Q\_R](https://forums.unrealengine.com/u/S_Q_R)\ **Replies:** 0\ **Last updated:** [December 14, 2022, 4:16pm UTC](https://forums.unrealengine.com/t/verify-integrity-of-engine-files-on-source-version/728263 "2022-12-14T16:16:50Z")
Hi. I’m on 4.27 source version of the engine. Recently lots of materials lost their parent references and stuff just does not render correctly. Is there any option to verify integrity of the engine files simmilar to th… --- ## [Non-intuitive and conflicting names in GAS Ability Tasks](https://forums.unrealengine.com/t/non-intuitive-and-conflicting-names-in-gas-ability-tasks/602789)
**Author:** [@lucoiso](https://forums.unrealengine.com/u/lucoiso)\ **Replies:** 0\ **Last updated:** [July 12, 2022, 2:45am UTC](https://forums.unrealengine.com/t/non-intuitive-and-conflicting-names-in-gas-ability-tasks/602789 "2022-07-12T02:45:31Z")
Pull Request: #9381 There’s 3 Ability Tasks: AbilityTask\_WaitConfirm: This task will wait for the ability to be confirmed by the server. AbilityTask\_WaitCancel: This task waits for the Cancel Input. AbilityTask\_WaitCon… --- ## [Comprehensive Unreal Engine Source Build User Guide - Where is it?](https://forums.unrealengine.com/t/comprehensive-unreal-engine-source-build-user-guide-where-is-it/596278)
**Author:** [@Calrizien](https://forums.unrealengine.com/u/Calrizien)\ **Replies:** 0\ **Last updated:** [July 3, 2022, 7:36pm UTC](https://forums.unrealengine.com/t/comprehensive-unreal-engine-source-build-user-guide-where-is-it/596278 "2022-07-03T19:36:44Z")
Many of us, myself included, want to build and package games while being unfamiliar with the intricacies of IDEs. I have read all the documentation Epic provides for working with a source-built Engine version. Yet I find… --- ## [VR Mode Grid below Actor when selected](https://forums.unrealengine.com/t/vr-mode-grid-below-actor-when-selected/444836)
**Author:** [@mariosbikos](https://forums.unrealengine.com/u/mariosbikos)\ **Replies:** 1\ **Last updated:** [May 26, 2022, 3:29am UTC](https://forums.unrealengine.com/t/vr-mode-grid-below-actor-when-selected/444836 "2022-05-26T03:29:47Z")
In the VR Editor More, when I select an actor I can see a bright grid that blinks white/yellow that shows the floor for that actor. Where exactly in the engine source code is this grid generated, because I want to de-act… --- ## [Prevent engine from rebuilding itself on Linux](https://forums.unrealengine.com/t/prevent-engine-from-rebuilding-itself-on-linux/467625)
**Author:** [@SeleDreams](https://forums.unrealengine.com/u/SeleDreams)\ **Replies:** 1\ **Last updated:** [May 20, 2022, 11:12am UTC](https://forums.unrealengine.com/t/prevent-engine-from-rebuilding-itself-on-linux/467625 "2022-05-20T11:12:10Z")
Hi, I have recently downloaded the Unreal Source and built it on Linux to be able to use it. However I’m encountering a very problematic issue. Basically, everytime I create a project and that I try to open its UProject… --- ## [99% Memory usage + extreme lag when building UE4 from source](https://forums.unrealengine.com/t/99-memory-usage-extreme-lag-when-building-ue4-from-source/509308)
**Author:** [@cugs](https://forums.unrealengine.com/u/cugs)\ **Replies:** 0\ **Last updated:** [March 23, 2022, 11:44pm UTC](https://forums.unrealengine.com/t/99-memory-usage-extreme-lag-when-building-ue4-from-source/509308 "2022-03-23T23:44:49Z")
As the title suggests, I’m trying to build UE4 4.26 from source, following these steps: Building Unreal Engine from Source | Unreal Engine Documentation Pretty soon after pressing ‘build’, my PC’s RAM usage shoots up to… --- ## [Can i get access to the client server first connection message for proxy purpose](https://forums.unrealengine.com/t/can-i-get-access-to-the-client-server-first-connection-message-for-proxy-purpose/494920)
**Author:** [@momozahara](https://forums.unrealengine.com/u/momozahara)\ **Replies:** 0\ **Last updated:** [February 6, 2022, 2:19pm UTC](https://forums.unrealengine.com/t/can-i-get-access-to-the-client-server-first-connection-message-for-proxy-purpose/494920 "2022-02-06T14:19:31Z")
I have been working in the mmo project and while im making udp proxy for the server map instance connection when it come to check condition for which port should p… --- ## [Broken materials due to sudden linear color/color changes](https://forums.unrealengine.com/t/broken-materials-due-to-sudden-linear-color-color-changes/491551)
**Author:** [@dena2285](https://forums.unrealengine.com/u/dena2285)\ **Replies:** 0\ **Last updated:** [December 2, 2021, 3:23pm UTC](https://forums.unrealengine.com/t/broken-materials-due-to-sudden-linear-color-color-changes/491551 "2021-12-02T15:23:04Z")
I am working on a Unreal Project with some collegues. Since last month, out of nowhere our materials are broken. Out of nowhere some texture nodes have a diffrent sampler type (Linear Color of Color) We can fix this… --- ## [Live Link won't Source (Maya)](https://forums.unrealengine.com/t/live-link-wont-source-maya/465317)
**Author:** [@anonymous\_user\_cc5f836c](https://forums.unrealengine.com/u/anonymous_user_cc5f836c)\ **Replies:** 1\ **Last updated:** [September 17, 2021, 9:06pm UTC](https://forums.unrealengine.com/t/live-link-wont-source-maya/465317 "2021-09-17T21:06:58Z")
So I got LiveLink on Maya 2019, opened the window and saw no connection. Went to UE4 to set up and it cannot source the machine. I have reset and tried other files but no luck, please assist --- ## [\[Python\] How to get the 'Data Source Folder' path?](https://forums.unrealengine.com/t/python-how-to-get-the-data-source-folder-path/481257)
**Author:** [@anonymous\_user\_077a2248](https://forums.unrealengine.com/u/anonymous_user_077a2248)\ **Replies:** 1\ **Last updated:** [September 16, 2021, 6:12pm UTC](https://forums.unrealengine.com/t/python-how-to-get-the-data-source-folder-path/481257 "2021-09-16T18:12:55Z")
In order to get a given asset’s source path, I’m doing: loaded\_asset.get\_editor\_property('asset\_import\_data').get\_first\_filename() This works fine, but I’d like to be able to get this path as a relative one, using the … --- ## [Is it possible to extract Active DOM from SWebBrowser](https://forums.unrealengine.com/t/is-it-possible-to-extract-active-dom-from-swebbrowser/486557)
**Author:** [@Guardianl67](https://forums.unrealengine.com/u/Guardianl67)\ **Replies:** 0\ **Last updated:** [July 24, 2021, 4:03am UTC](https://forums.unrealengine.com/t/is-it-possible-to-extract-active-dom-from-swebbrowser/486557 "2021-07-24T04:03:25Z")
Hello, I am working on a web-based application, and for all rendering I have been using the SWebBrowser module. Within this module it has a getSource() function which I used only to discover it prints the static pre-rend… --- ## [XCode uninitialized-const-reference error](https://forums.unrealengine.com/t/xcode-uninitialized-const-reference-error/482573)
**Author:** [@bove.san](https://forums.unrealengine.com/u/bove.san)\ **Replies:** 5\ **Last updated:** [July 21, 2021, 7:04am UTC](https://forums.unrealengine.com/t/xcode-uninitialized-const-reference-error/482573 "2021-07-21T07:04:07Z")
When trying to build the editor on XCode Version 12.5 (12E262) on MacOS 11.2.3, I get a lot of errors like this for the fbxsdk: .../UnrealEngine/Engine/Source/ThirdParty/FBX/2020.1.1/include/fbxsdk/scene/geometry/fbxlay… --- ## [Who is the elf girl on the UE website background video?](https://forums.unrealengine.com/t/who-is-the-elf-girl-on-the-ue-website-background-video/485413)
**Author:** [@Buzantrop](https://forums.unrealengine.com/u/Buzantrop)\ **Replies:** 0\ **Last updated:** [June 26, 2021, 8:02pm UTC](https://forums.unrealengine.com/t/who-is-the-elf-girl-on-the-ue-website-background-video/485413 "2021-06-26T20:02:46Z")
There’s a video that played on the home screen on the unreal engine website page from about 2018-2019. In that video, there was a female elf who motioned a dragon to raise its head. here’s the link to the website from 20… --- ## [Can't generate project files because "UE4 requires the NuGet Package Manager" when it is already installed](https://forums.unrealengine.com/t/cant-generate-project-files-because-ue4-requires-the-nuget-package-manager-when-it-is-already-installed/433447)
**Author:** [@mvitech](https://forums.unrealengine.com/u/mvitech)\ **Replies:** 6\ **Last updated:** [May 14, 2021, 6:04am UTC](https://forums.unrealengine.com/t/cant-generate-project-files-because-ue4-requires-the-nuget-package-manager-when-it-is-already-installed/433447 "2021-05-14T06:04:28Z")
I’m getting this error when generating project files for VS2017 by running GenerateProjectFiles.bat from UE 4.20.2 source (Github release). I have NuGet installed and it’s still coming up with this error regardless: UE… [Next page](https://forums.unrealengine.com/tag/source/981.md?match_all_tags=true&page=1&tags%5B%5D=source)