# \#lighting-build **URL:** https://forums.unrealengine.com/tag/lighting-build/5318.md [Latest](https://forums.unrealengine.com/latest.md) · [Categories](https://forums.unrealengine.com/categories.md) · [Tags](https://forums.unrealengine.com/tags.md) --- ## [Engine Crashes when encoding Texture after build Lighting](https://forums.unrealengine.com/t/engine-crashes-when-encoding-texture-after-build-lighting/419172)
**Author:** [@mikezen](https://forums.unrealengine.com/u/mikezen)\ **Replies:** 1\ **Last updated:** [August 25, 2025, 9:52am UTC](https://forums.unrealengine.com/t/engine-crashes-when-encoding-texture-after-build-lighting/419172 "2025-08-25T09:52:26Z")
Hello, i get a crash after the lightmaps have been baked at high/Production setting… and it says “encoding textures 49%” lightmass setting : static lighting level scale : 0.5 num indirect light bounces :10 num Sky l… --- ## [GPU Lightmass support for RX7000/RDNA3 GPU's](https://forums.unrealengine.com/t/gpu-lightmass-support-for-rx7000-rdna3-gpus/2450307)
**Author:** [@stormergames001](https://forums.unrealengine.com/u/stormergames001)\ **Replies:** 0\ **Last updated:** [April 10, 2025, 9:33pm UTC](https://forums.unrealengine.com/t/gpu-lightmass-support-for-rx7000-rdna3-gpus/2450307 "2025-04-10T21:33:22Z")
My question is simple, what are the known issues/compatibility for GPU lightmass lightmap baking with AMD RX7000/RDNA3 GPU’s? I am using an RX 7900 XTX and I have had zero success with baking light maps through GPU light… --- ## [Lightmass Crashing](https://forums.unrealengine.com/t/lightmass-crashing/409816)
**Author:** [@Dark\_Jubei](https://forums.unrealengine.com/u/Dark_Jubei)\ **Replies:** 4\ **Last updated:** [April 14, 2024, 9:59am UTC](https://forums.unrealengine.com/t/lightmass-crashing/409816 "2024-04-14T09:59:28Z")
Hey All, I’m getting render errors every time I try to build lighting. I have rendered before in this scene, and it was fine. This is the error: --- ## [AFTER BUILDING ARCHVIZ EXPLORER THE BUILD FILE IS PITCH BLACK AND NOT RESPONSIBLE . HERE IS THE SAME ISSUE FROM unknown. /](https://forums.unrealengine.com/t/after-building-archviz-explorer-the-build-file-is-pitch-black-and-not-responsible-here-is-the-same-issue-from-unknown/1800220)
**Author:** [@ShivaprasadKMm](https://forums.unrealengine.com/u/ShivaprasadKMm)\ **Replies:** 0\ **Last updated:** [April 12, 2024, 10:32am UTC](https://forums.unrealengine.com/t/after-building-archviz-explorer-the-build-file-is-pitch-black-and-not-responsible-here-is-the-same-issue-from-unknown/1800220 "2024-04-12T10:32:18Z")
https://www.reddit.com/r/unrealengine/comments/15iq3m2/package\_project\_stays\_on\_black\_screen\_for\_a\_while/ i have completed Unreal ARchviz project, which have around 16 floors, Cesium integrated,With many TEXTURES wh… --- ## [Unreal Fail To Create IPC Port](https://forums.unrealengine.com/t/unreal-fail-to-create-ipc-port/337330)
**Author:** [@anonymous\_user\_5edeba92](https://forums.unrealengine.com/u/anonymous_user_5edeba92)\ **Replies:** 6\ **Last updated:** [November 21, 2023, 12:04am UTC](https://forums.unrealengine.com/t/unreal-fail-to-create-ipc-port/337330 "2023-11-21T00:04:03Z")
Hey Guys I am quite new to the Unreal Engine, and recently I faced a problem. I created a blank project and I deleted the platform thingy. After that I dragged in a cube and applied a texture and a normal map to it. Whe… --- ## [Black rips and triangles in all static meshes after lighting build](https://forums.unrealengine.com/t/black-rips-and-triangles-in-all-static-meshes-after-lighting-build/407317)
**Author:** [@Medusam](https://forums.unrealengine.com/u/Medusam)\ **Replies:** 15\ **Last updated:** [March 13, 2023, 9:23pm UTC](https://forums.unrealengine.com/t/black-rips-and-triangles-in-all-static-meshes-after-lighting-build/407317 "2023-03-13T21:23:09Z")
Hi there, I am having huge problems building lighting in UE4. I get artifacts all over the static meshes, they seem to be rips or black triangles. It doesn’t matter whether there is a texture on the model or not, they a… --- ## [Baking light is not working in one level only in the proyect, probably because a blueprint.](https://forums.unrealengine.com/t/baking-light-is-not-working-in-one-level-only-in-the-proyect-probably-because-a-blueprint/776558)
**Author:** [@Alex54315](https://forums.unrealengine.com/u/Alex54315)\ **Replies:** 0\ **Last updated:** [February 22, 2023, 7:39pm UTC](https://forums.unrealengine.com/t/baking-light-is-not-working-in-one-level-only-in-the-proyect-probably-because-a-blueprint/776558 "2023-02-22T19:39:52Z")
So, I have this problem in one of the levels of my proyect, that is whenever I leave the level or close the engine and then open the level again the message of ‘LIGHTNING NEEDS TO BE REBUILT’ is always there. I’ve been … --- ## [ライティングが赤くなる](https://forums.unrealengine.com/t/topic/412393)
**Author:** [@anonymous\_user\_73e14d48](https://forums.unrealengine.com/u/anonymous_user_73e14d48)\ **Replies:** 1\ **Last updated:** [February 14, 2023, 9:02am UTC](https://forums.unrealengine.com/t/topic/412393 "2023-02-14T09:02:11Z")
先日ビルドした際に、TEXTURE STREAMING POOL OVERのエラーが出まして、 レベル内が全体的に赤い色になってしまいました PoolsizeはBaseScalability.iniで調整してエラー自体は消えたのですが 全体的に赤くなっているのは直りませんでした 非ライティング若しくはライティングコンポーネントのディフューズを外すと 赤がなくなります ライトマップが原因な気がするのですが … --- ## [Very dark scene inside](https://forums.unrealengine.com/t/very-dark-scene-inside/353170)
**Author:** [@anonymous\_user\_0c99af0d](https://forums.unrealengine.com/u/anonymous_user_0c99af0d)\ **Replies:** 19\ **Last updated:** [January 8, 2023, 4:13pm UTC](https://forums.unrealengine.com/t/very-dark-scene-inside/353170 "2023-01-08T16:13:38Z")
Hi all, I have some problems with lighting as my environment is so dark inside. I have tried many things such as changing the sun position, adding lightmass importance, building lights with high quality and many more bu… --- ## [Lighting won't build (KBM & other solutions already tried)](https://forums.unrealengine.com/t/lighting-wont-build-kbm-other-solutions-already-tried/489997)
**Author:** [@hperk209](https://forums.unrealengine.com/u/hperk209)\ **Replies:** 1\ **Last updated:** [August 9, 2022, 8:28am UTC](https://forums.unrealengine.com/t/lighting-wont-build-kbm-other-solutions-already-tried/489997 "2022-08-09T08:28:53Z")
Hi! Thanks in advance to anyone taking a look. I know your instinct will be to point me to existing articles on this, as there are many. But of the dozens I’ve searched (both official and unofficial), no solution has wo… --- ## [Lighting Built Data from Sublebels cannot be saved, error](https://forums.unrealengine.com/t/lighting-built-data-from-sublebels-cannot-be-saved-error/381779)
**Author:** [@anonymous\_user\_b08d21cb](https://forums.unrealengine.com/u/anonymous_user_b08d21cb)\ **Replies:** 9\ **Last updated:** [June 27, 2022, 6:37am UTC](https://forums.unrealengine.com/t/lighting-built-data-from-sublebels-cannot-be-saved-error/381779 "2022-06-27T06:37:26Z")
Hello All, Set-up un UE 4.14.3 is: Persistent Sublevel 1 “Untitled\_1” When I build the lighting with Sublevel “Untitled\_1” active and the persistent level hidden the build runs through ok, but I can not save th… --- ## [How to update SwarmAgent.exe.config?](https://forums.unrealengine.com/t/how-to-update-swarmagent-exe-config/354671)
**Author:** [@ahmad\_moradian](https://forums.unrealengine.com/u/ahmad_moradian)\ **Replies:** 7\ **Last updated:** [May 3, 2022, 9:43am UTC](https://forums.unrealengine.com/t/how-to-update-swarmagent-exe-config/354671 "2022-05-03T09:43:42Z")
I am using Unreal Engine 4.9. When I try to use the Build icon to calculate the lighting it appears a Fatal Error window which contains this message: Could not create cache folder C:\\Program Files\\Unreal Engine 4.9\\Unre… --- ## [Lightmaps are set to a low value after build lighting](https://forums.unrealengine.com/t/lightmaps-are-set-to-a-low-value-after-build-lighting/480500)
**Author:** [@serloplob](https://forums.unrealengine.com/u/serloplob)\ **Replies:** 1\ **Last updated:** [March 16, 2022, 5:56pm UTC](https://forums.unrealengine.com/t/lightmaps-are-set-to-a-low-value-after-build-lighting/480500 "2022-03-16T17:56:38Z")
Hi there! I hope someone can help me with this When lighting is built lightmaps of all static mesh in the scene change from a 128, 256, 512 or any value to a low resolution like 4 or maybe 8 automatically, but if I lo… --- ## [Gameplay lighting differs from preview lighting](https://forums.unrealengine.com/t/gameplay-lighting-differs-from-preview-lighting/488977)
**Author:** [@Virtual\_Bones](https://forums.unrealengine.com/u/Virtual_Bones)\ **Replies:** 1\ **Last updated:** [September 19, 2021, 7:00pm UTC](https://forums.unrealengine.com/t/gameplay-lighting-differs-from-preview-lighting/488977 "2021-09-19T19:00:11Z")
Hey, so I’ve been having a problem that has risen lately, making me feel like I may have caused the problem to occur. Whenever I play/simulate the game in the editor, it appears to suddenly change the lighting. It seems… --- ## [Lighting build instantly fails with no error in output log](https://forums.unrealengine.com/t/lighting-build-instantly-fails-with-no-error-in-output-log/488719)
**Author:** [@0land0](https://forums.unrealengine.com/u/0land0)\ **Replies:** 0\ **Last updated:** [September 13, 2021, 2:28pm UTC](https://forums.unrealengine.com/t/lighting-build-instantly-fails-with-no-error-in-output-log/488719 "2021-09-13T14:28:57Z")
When I try to build my lighting, it immediately fails with no error in the output log. Checking the Swarm Agent log says: 6:10:30 PM: Starting up SwarmAgent ... 6:10:30 PM: ... registering SwarmAgent with remoting se… --- ## [Lighting not building..Any suggestions?](https://forums.unrealengine.com/t/lighting-not-building-any-suggestions/488605)
**Author:** [@Beeplum](https://forums.unrealengine.com/u/Beeplum)\ **Replies:** 0\ **Last updated:** [September 10, 2021, 5:35am UTC](https://forums.unrealengine.com/t/lighting-not-building-any-suggestions/488605 "2021-09-10T05:35:07Z")
Hi all, I know this questions has been asked so many times on this page. I’ve tried all sorts of things I could find online to solve the issue, but noe of them worked. I’ve tried: -Set “EnableStandaloneMode” True on S… --- ## [Lighting build failed](https://forums.unrealengine.com/t/lighting-build-failed/488558)
**Author:** [@Iriskyto](https://forums.unrealengine.com/u/Iriskyto)\ **Replies:** 0\ **Last updated:** [September 8, 2021, 7:16pm UTC](https://forums.unrealengine.com/t/lighting-build-failed/488558 "2021-09-08T19:16:49Z")
Hi, everyone! I have the following problem: Unreal Engine does not bake the light. I recently installed UE and tried to slightly adjust the scene in the Third Person template by moving, deleting and adding new objects. … --- ## [Feature request: Lighting build of multiple maps in squence](https://forums.unrealengine.com/t/feature-request-lighting-build-of-multiple-maps-in-squence/423801)
**Author:** [@anonymous\_user\_0c35de84](https://forums.unrealengine.com/u/anonymous_user_0c35de84)\ **Replies:** 1\ **Last updated:** [August 14, 2021, 5:44pm UTC](https://forums.unrealengine.com/t/feature-request-lighting-build-of-multiple-maps-in-squence/423801 "2021-08-14T17:44:13Z")
I want lighting build sequencer for multiple maps. Where i can list all the maps to build the lighting of those maps. Thanks in advance. --- ## [Cannot build a project. Editor Freezes](https://forums.unrealengine.com/t/cannot-build-a-project-editor-freezes/483831)
**Author:** [@anonymous\_user\_afd53d74](https://forums.unrealengine.com/u/anonymous_user_afd53d74)\ **Replies:** 2\ **Last updated:** [August 12, 2021, 12:29pm UTC](https://forums.unrealengine.com/t/cannot-build-a-project-editor-freezes/483831 "2021-08-12T12:29:19Z")
I think it is important to describe this issue as fully as I can. I have working on it for more than a week. I have done everything from changing drivers to reinstalling Unreal. I am working on an online unreal course, I… --- ## [Building lighting taking too long](https://forums.unrealengine.com/t/building-lighting-taking-too-long/486274)
**Author:** [@anonymous\_user\_d3ea292c](https://forums.unrealengine.com/u/anonymous_user_d3ea292c)\ **Replies:** 0\ **Last updated:** [July 19, 2021, 6:07am UTC](https://forums.unrealengine.com/t/building-lighting-taking-too-long/486274 "2021-07-19T06:07:23Z")
I have imported a 3ds max model into UE4 ( 4.20) and when i tried to build the lighting it takes like forever by stucking at 0 percent. at the begining i got an error that i solved it by adding " lightmass Importance Vol… --- ## [After Baking, Lighting Looks Bad/Same](https://forums.unrealengine.com/t/after-baking-lighting-looks-bad-same/485328)
**Author:** [@AerrowKnight](https://forums.unrealengine.com/u/AerrowKnight)\ **Replies:** 1\ **Last updated:** [June 25, 2021, 6:36am UTC](https://forums.unrealengine.com/t/after-baking-lighting-looks-bad-same/485328 "2021-06-25T06:36:08Z")
Hi, let me preface by saying that I am an artist who has used Maya for 10+yrs but is new/ish to stepping into parts of Unreal Engine. I’m a camera/layout artist with some 3D animation chops. I’m new to lighting in the En… --- ## [Weird patterns on the walls](https://forums.unrealengine.com/t/weird-patterns-on-the-walls/484946)
**Author:** [@robogreek](https://forums.unrealengine.com/u/robogreek)\ **Replies:** 3\ **Last updated:** [June 17, 2021, 11:30am UTC](https://forums.unrealengine.com/t/weird-patterns-on-the-walls/484946 "2021-06-17T11:30:17Z")
i have these weird patterns on the walls and i don’t know how to fix it. i tried many things i found on the internet but nothing fixed it. i added a cube inside the room and everything was built perfect, then i moved a w… --- ## [Light problem after i build it](https://forums.unrealengine.com/t/light-problem-after-i-build-it/484812)
**Author:** [@robogreek](https://forums.unrealengine.com/u/robogreek)\ **Replies:** 7\ **Last updated:** [June 15, 2021, 8:19am UTC](https://forums.unrealengine.com/t/light-problem-after-i-build-it/484812 "2021-06-15T08:19:54Z")
hello, i am very new to lighting, and i have this problem when i build lighting, i found and tried many things but nothing fixed it --- ## [Light Bake 1 Object Only?](https://forums.unrealengine.com/t/light-bake-1-object-only/409334)
**Author:** [@Emiel97](https://forums.unrealengine.com/u/Emiel97)\ **Replies:** 2\ **Last updated:** [June 11, 2021, 11:22am UTC](https://forums.unrealengine.com/t/light-bake-1-object-only/409334 "2021-06-11T11:22:53Z")
How can I bake the lighting only on specific objects? --- ## [Lighting problem in the Packaged IOS version](https://forums.unrealengine.com/t/lighting-problem-in-the-packaged-ios-version/483467)
**Author:** [@Harshil696](https://forums.unrealengine.com/u/Harshil696)\ **Replies:** 1\ **Last updated:** [May 19, 2021, 10:50pm UTC](https://forums.unrealengine.com/t/lighting-problem-in-the-packaged-ios-version/483467 "2021-05-19T22:50:31Z")
When I play the game in my editor it is normal, but when I play on my packaged game on IOS I get this issue. I have no idea why this is happening can anyone please help!! These are the settings This is on my editor … --- ## [Building lighting 4.26.2 freezes editor](https://forums.unrealengine.com/t/building-lighting-4-26-2-freezes-editor/482325)
**Author:** [@Cris3DXP](https://forums.unrealengine.com/u/Cris3DXP)\ **Replies:** 1\ **Last updated:** [April 22, 2021, 8:42pm UTC](https://forums.unrealengine.com/t/building-lighting-4-26-2-freezes-editor/482325 "2021-04-22T20:42:54Z")
Every time I try to build lighting the editor crashes, swarm opens and just start the export scene process but never ends and in the engine it doesn’t show that is building or exporting nothing it just froze the editor c… --- ## [Swarm Agent - Failed to cache the executable](https://forums.unrealengine.com/t/swarm-agent-failed-to-cache-the-executable/351770)
**Author:** [@Metathesus](https://forums.unrealengine.com/u/Metathesus)\ **Replies:** 2\ **Last updated:** [April 1, 2021, 9:25am UTC](https://forums.unrealengine.com/t/swarm-agent-failed-to-cache-the-executable/351770 "2021-04-01T09:25:33Z")
Hello, I can’t build light. Here the log of the swarm agent 18:54:23: \[Interface:TryOpenConnection\] Local connection established 18:54:26: \[Job\] Accepted Job C0183CE7-4F8EDA92-956A0D92-6CD6D252 18:54:28: \[Interface:Ca… --- ## [ライティングがビルドされない](https://forums.unrealengine.com/t/topic/481032)
**Author:** [@f2018sono](https://forums.unrealengine.com/u/f2018sono)\ **Replies:** 0\ **Last updated:** [March 29, 2021, 6:20am UTC](https://forums.unrealengine.com/t/topic/481032 "2021-03-29T06:20:08Z")
こんにちは。 最近UE4を使い始め、主にThird PersonとDMXでモデルを作っています。 今回、DMXでモデルをビルドしたところ、何度やってもPreviewの文字が消えず、 ビルドの様子を見ていると、どうもライティングをビルドしていないようで、 「ナビゲーションのビルドが完了しました」としか表示されません。 以前まではビルド押下で通常通りビルドされていたのですが、 特に設定等いじった覚えもなく困っています。 分かる… --- ## [Why do my materials get dark when I rebuild my lighting?](https://forums.unrealengine.com/t/why-do-my-materials-get-dark-when-i-rebuild-my-lighting/480818)
**Author:** [@anonymous\_user\_4c2bfe3f](https://forums.unrealengine.com/u/anonymous_user_4c2bfe3f)\ **Replies:** 0\ **Last updated:** [March 24, 2021, 5:56pm UTC](https://forums.unrealengine.com/t/why-do-my-materials-get-dark-when-i-rebuild-my-lighting/480818 "2021-03-24T17:56:30Z")
All of my materials were created in Substance Painter except for the ground. The ground material is from the starter content and seems to be the only material that stays lit and is well lit to begin with. --- ## [Emissive Material turning off after building lighting](https://forums.unrealengine.com/t/emissive-material-turning-off-after-building-lighting/480201)
**Author:** [@Sproket911](https://forums.unrealengine.com/u/Sproket911)\ **Replies:** 0\ **Last updated:** [March 12, 2021, 9:36pm UTC](https://forums.unrealengine.com/t/emissive-material-turning-off-after-building-lighting/480201 "2021-03-12T21:36:27Z")
Hi there, I’m setting up a greybox blockout to test lighting and mood for a 3rd person diorama, so I used the engines Third Person template level. I’ve set up an Emissive master material and created an instance for it,… [Next page](https://forums.unrealengine.com/tag/lighting-build/5318.md?match_all_tags=true&page=1&tags%5B%5D=lighting-build)