# \#World-Partition **URL:** https://forums.unrealengine.com/tag/world-partition/11214.md [Latest](https://forums.unrealengine.com/latest.md) · [Categories](https://forums.unrealengine.com/categories.md) · [Tags](https://forums.unrealengine.com/tags.md) --- ## [World Partition with Multiple Landscapes](https://forums.unrealengine.com/t/world-partition-with-multiple-landscapes/2849453)
**Author:** [@PeacefulSwan7397](https://forums.unrealengine.com/u/PeacefulSwan7397)\ **Replies:** 1\ **Last updated:** [November 6, 2026, 1:39am UTC](https://forums.unrealengine.com/t/world-partition-with-multiple-landscapes/2849453 "2026-11-06T01:39:56Z")
Hi, We’re building a game with a birds-eye-view like Google Maps using realistic landscapes. We’d like to stitch a number of 4km x 4km landscapes (10 to 100) to create the world. Would the world partition system hold it… --- ## [Best way to handle save/load system in UE5 for open world projects? ](https://forums.unrealengine.com/t/best-way-to-handle-save-load-system-in-ue5-for-open-world-projects/2513503)
**Author:** [@homelai](https://forums.unrealengine.com/u/homelai)\ **Replies:** 2\ **Last updated:** [September 10, 2026, 12:03pm UTC](https://forums.unrealengine.com/t/best-way-to-handle-save-load-system-in-ue5-for-open-world-projects/2513503 "2026-09-10T12:03:37Z")
Hi everyone, I’m building an open world game in Unreal Engine 5, and I’m looking for guidance on creating a reliable save/load system. Specifically: How do you handle saving actor states across large streamed levels? … --- ## [World Partition, how to permanently destroy an actor at runtime ?](https://forums.unrealengine.com/t/world-partition-how-to-permanently-destroy-an-actor-at-runtime/2020977)
**Author:** [@Frakatchoo](https://forums.unrealengine.com/u/Frakatchoo)\ **Replies:** 5\ **Last updated:** [September 9, 2026, 3:29pm UTC](https://forums.unrealengine.com/t/world-partition-how-to-permanently-destroy-an-actor-at-runtime/2020977 "2026-09-09T15:29:36Z")
I have a problem with World Partition, if I destroy an actor from the level, it respawn each time the grid is reloaded. What is for you the best solution to permanently destroy an actor (loaded with WP) at runtime? --- ## [Would World Partition work with multiple 4k x 4k landscapes ](https://forums.unrealengine.com/t/would-world-partition-work-with-multiple-4k-x-4k-landscapes/2762703)
**Author:** [@PeacefulSwan7397](https://forums.unrealengine.com/u/PeacefulSwan7397)\ **Replies:** 0\ **Last updated:** [September 4, 2026, 4:39pm UTC](https://forums.unrealengine.com/t/would-world-partition-work-with-multiple-4k-x-4k-landscapes/2762703 "2026-09-04T16:39:18Z")
Hi, We’re building a game with a birds-eye-view like Google Maps using realistic landscapes. We’d like to stitch a number of 4km x 4km landscapes (10 to 100) to create the world. Would the world partition system hold it… --- ## [Running out of memory while building HLODs (64 GB Ram, 3070ti)](https://forums.unrealengine.com/t/running-out-of-memory-while-building-hlods-64-gb-ram-3070ti/640234)
**Author:** [@kerds78](https://forums.unrealengine.com/u/kerds78)\ **Replies:** 8\ **Last updated:** [July 23, 2026, 8:08am UTC](https://forums.unrealengine.com/t/running-out-of-memory-while-building-hlods-64-gb-ram-3070ti/640234 "2026-07-23T08:08:41Z")
I’m building HLODs for my level and running out of memory. I’m not sure if it’s VRAM or RAM that is running out, but either way, it really shouldn’t be, as I’ve got a 3070ti and 64 GB of RAM. This is while using a mesh … --- ## [Plastic working extremely slow](https://forums.unrealengine.com/t/plastic-working-extremely-slow/2731412)
**Author:** [@Chevidal451](https://forums.unrealengine.com/u/Chevidal451)\ **Replies:** 0\ **Last updated:** [June 25, 2026, 3:26pm UTC](https://forums.unrealengine.com/t/plastic-working-extremely-slow/2731412 "2026-06-25T15:26:38Z")
Hi, Ive been working with Plastic for a long time and Ive never experienced these issues of people taking aroun 20 minutes in order to save a file and check it out. Im currently not using Platic Cloud, I dont know if is … --- ## [Does nDisplay work with World Partition?](https://forums.unrealengine.com/t/does-ndisplay-work-with-world-partition/2731370)
**Author:** [@hyperik](https://forums.unrealengine.com/u/hyperik)\ **Replies:** 0\ **Last updated:** [June 25, 2026, 1:54pm UTC](https://forums.unrealengine.com/t/does-ndisplay-work-with-world-partition/2731370 "2026-06-25T13:54:20Z")
I stumbled on an older article mentioning this was a problem in 2023, but it was an ICFVFX article and we won’t be using nDisplay for virtual producton but for regular game dev/simulation for wide field of view setups: … --- ## [Imported Datasmith Model always loaded in the world partition grid at runtime](https://forums.unrealengine.com/t/imported-datasmith-model-always-loaded-in-the-world-partition-grid-at-runtime/516458)
**Author:** [@ShafeekhM](https://forums.unrealengine.com/u/ShafeekhM)\ **Replies:** 5\ **Last updated:** [April 28, 2026, 2:35pm UTC](https://forums.unrealengine.com/t/imported-datasmith-model-always-loaded-in-the-world-partition-grid-at-runtime/516458 "2026-04-28T14:35:50Z")
Hi, I am a begginer in Unreal Engine and I am testing the new world partition feature in Unreal Engine 5 using the default third-person game template. In runtime, I could see those default models are loading and unloadi… --- ## [External Data Layer from Game Feature does not load when activated after entering PIE / Standalone ](https://forums.unrealengine.com/t/external-data-layer-from-game-feature-does-not-load-when-activated-after-entering-pie-standalone/2717467)
**Author:** [@DM-LGWS](https://forums.unrealengine.com/u/DM-LGWS)\ **Replies:** 0\ **Last updated:** [April 23, 2026, 2:40pm UTC](https://forums.unrealengine.com/t/external-data-layer-from-game-feature-does-not-load-when-activated-after-entering-pie-standalone/2717467 "2026-04-23T14:40:25Z")
Hi everyone, I’m experiencing what looks like an issue with External Data Layers loaded through a Game Feature, specifically when activating the Game Feature after entering PIE or Standalone from the editor. SETUP a… --- ## [Hlod RVT , seam problem](https://forums.unrealengine.com/t/hlod-rvt-seam-problem/2653768)
**Author:** [@Dj\_fukboi](https://forums.unrealengine.com/u/Dj_fukboi)\ **Replies:** 2\ **Last updated:** [April 17, 2026, 5:55pm UTC](https://forums.unrealengine.com/t/hlod-rvt-seam-problem/2653768 "2026-04-17T17:55:37Z")
Hello there, im having problems getting rid of Seams between the Hlods of my landscape, im using RVT to optimize my landscape, but when i build HLOD, im getting theese black borders between them, i have tried to increase… --- ## [How to sustain actor state in world partition on multiplayer game?](https://forums.unrealengine.com/t/how-to-sustain-actor-state-in-world-partition-on-multiplayer-game/2711156)
**Author:** [@Anonymous\_2210d72d3515234552b42f64ab1279fd](https://forums.unrealengine.com/u/Anonymous_2210d72d3515234552b42f64ab1279fd)\ **Replies:** 1\ **Last updated:** [April 3, 2026, 11:14am UTC](https://forums.unrealengine.com/t/how-to-sustain-actor-state-in-world-partition-on-multiplayer-game/2711156 "2026-04-03T11:14:00Z")
Hi I need sustain actor state across game play time, like loot box, in world partition on multiplayer. Problem is when ever reload partition that actor actually spawn as like new one. Is there any solution for like thi… --- ## [World Partition landscape generated from heightmap is broken](https://forums.unrealengine.com/t/world-partition-landscape-generated-from-heightmap-is-broken/2693530)
**Author:** [@Extrahdmi](https://forums.unrealengine.com/u/Extrahdmi)\ **Replies:** 1\ **Last updated:** [March 13, 2026, 11:03am UTC](https://forums.unrealengine.com/t/world-partition-landscape-generated-from-heightmap-is-broken/2693530 "2026-03-13T11:03:31Z")
I’m trying to create a World Partition from a heightmap, but the results are always terrible. The same terrain is generated multiple times in small sizes, and the rest is filled with flat surfaces. The image size is 812… --- ## [Level Streaming Assertion - How to backtrack a generated package](https://forums.unrealengine.com/t/level-streaming-assertion-how-to-backtrack-a-generated-package/2703369)
**Author:** [@JesseyCool](https://forums.unrealengine.com/u/JesseyCool)\ **Replies:** 0\ **Last updated:** [March 3, 2026, 9:33am UTC](https://forums.unrealengine.com/t/level-streaming-assertion-how-to-backtrack-a-generated-package/2703369 "2026-03-03T09:33:44Z")
Hello, Using Unreal Engine 5.6.1 My question: How to backtrack a generated package with a from the Level Streaming warning, to something in the project? LogLevelStreaming: Warning: Couldn’t find ULevel object in pack… --- ## [How to load only one region in a World Partition?](https://forums.unrealengine.com/t/how-to-load-only-one-region-in-a-world-partition/2697422)
**Author:** [@Extrahdmi](https://forums.unrealengine.com/u/Extrahdmi)\ **Replies:** 2\ **Last updated:** [February 11, 2026, 4:02am UTC](https://forums.unrealengine.com/t/how-to-load-only-one-region-in-a-world-partition/2697422 "2026-02-11T04:02:46Z")
I’m suffering from the World Partition load/unload bug. I have tried loading again after disabling streaming, but loading one region forces all regions to load. This causes excessive load when editing the Landscape, maki… --- ## [UE 5.6 World Partition – Level streaming causes crash in packaged build](https://forums.unrealengine.com/t/ue-5-6-world-partition-level-streaming-causes-crash-in-packaged-build/2686571)
**Author:** [@AyaGamesinc](https://forums.unrealengine.com/u/AyaGamesinc)\ **Replies:** 6\ **Last updated:** [January 19, 2026, 6:51am UTC](https://forums.unrealengine.com/t/ue-5-6-world-partition-level-streaming-causes-crash-in-packaged-build/2686571 "2026-01-19T06:51:37Z")
Hello, We are experiencing crashes related to level streaming while using World Partition in Unreal Engine 5.6. Details: UE version: 5.6 World system: World Partition Project: Blueprint-only Crashes occur during leve… --- ## [HLOD not building correct type of HLOD.](https://forums.unrealengine.com/t/hlod-not-building-correct-type-of-hlod/2682488)
**Author:** [@kurylo3d](https://forums.unrealengine.com/u/kurylo3d)\ **Replies:** 1\ **Last updated:** [January 14, 2026, 7:07pm UTC](https://forums.unrealengine.com/t/hlod-not-building-correct-type-of-hlod/2682488 "2026-01-14T19:07:08Z")
In 5.7 my HLODs are not building the correct type. I migrated this level from 5.6 which worked correctly. In 5.7 instead of building instances→ HLOD approx → HLOD approx 2…. It seems to hide hlod0 instances and build bo… --- ## [HLOD build error return code -1073741819!](https://forums.unrealengine.com/t/hlod-build-error-return-code-1073741819/2664272)
**Author:** [@Dj\_fukboi](https://forums.unrealengine.com/u/Dj_fukboi)\ **Replies:** 2\ **Last updated:** [January 10, 2026, 3:17am UTC](https://forums.unrealengine.com/t/hlod-build-error-return-code-1073741819/2664272 "2026-01-10T03:17:24Z")
hello when building HLOD with commandlet: -Unattended -RunningFromUnrealEd -AbsLog -run=WorldPartitionBuilderCommandlet -Builder=WorldPartitionHLODsBuilder -SetupHLODs -BuildHLODs -AllowCommandletRendering -d3d12 -Feat… --- ## [Is there any documentation for setting up hlod for world parition?](https://forums.unrealengine.com/t/is-there-any-documentation-for-setting-up-hlod-for-world-parition/2681205)
**Author:** [@kurylo3d](https://forums.unrealengine.com/u/kurylo3d)\ **Replies:** 3\ **Last updated:** [December 3, 2025, 11:41am UTC](https://forums.unrealengine.com/t/is-there-any-documentation-for-setting-up-hlod-for-world-parition/2681205 "2025-12-03T11:41:20Z")
Is there any documentation for setting up hlod for world parition? I specifically need to learn about chaining them. I cant get my chains to work. Trying to combine landscape parts… and then make a 2nd hlod for much larg… --- ## [Unable to assign a World Partition Landscape to any Data Layer in Unreal Engine 5.4.4, All UI methods for assigning a Landscape to a Data Layer are blocked or missing](https://forums.unrealengine.com/t/unable-to-assign-a-world-partition-landscape-to-any-data-layer-in-unreal-engine-5-4-4-all-ui-methods-for-assigning-a-landscape-to-a-data-layer-are-blocked-or-missing/2654271)
**Author:** [@ChAi\_BiSkUt](https://forums.unrealengine.com/u/ChAi_BiSkUt)\ **Replies:** 3\ **Last updated:** [November 19, 2025, 3:35pm UTC](https://forums.unrealengine.com/t/unable-to-assign-a-world-partition-landscape-to-any-data-layer-in-unreal-engine-5-4-4-all-ui-methods-for-assigning-a-landscape-to-a-data-layer-are-blocked-or-missing/2654271 "2025-11-19T15:35:07Z")
Hello Unreal community, I’ve run into a complete roadblock while trying to assign a World Partition Landscape to an Editor Data Layer in Unreal Engine 5.4.4 (Version: 5.4.4-35576357+++UE5+Release-5.4). My goal is simpl… --- ## [World partitioned level and navmesh](https://forums.unrealengine.com/t/world-partitioned-level-and-navmesh/2675004)
**Author:** [@HiImGh0st](https://forums.unrealengine.com/u/HiImGh0st)\ **Replies:** 2\ **Last updated:** [November 18, 2025, 1:41pm UTC](https://forums.unrealengine.com/t/world-partitioned-level-and-navmesh/2675004 "2025-11-18T13:41:24Z")
Hey, I have a problem with navmesh at the world partitioned level. I am using this guide: World Partitioned Navigation Mesh | Unreal Engine 5.7 Documentation | Epic Developer Community Navigation is present and working … --- ## [Fatal Error While Passing Through a Spesific Place in My Level](https://forums.unrealengine.com/t/fatal-error-while-passing-through-a-spesific-place-in-my-level/2600868)
**Author:** [@Clinker](https://forums.unrealengine.com/u/Clinker)\ **Replies:** 5\ **Last updated:** [November 9, 2025, 6:42am UTC](https://forums.unrealengine.com/t/fatal-error-while-passing-through-a-spesific-place-in-my-level/2600868 "2025-11-09T06:42:43Z")
I have a problem when the player goes from a specific road, Our game is 4 player coop based horror game and the level has world-partition streaming When players go from this tunnel, they get a fatal error and the game … --- ## [UE-243852 I'm facing the same issue in 5.5 with a full Dynamic Navmesh even after importing the "Fix" to this CL](https://forums.unrealengine.com/t/ue-243852-im-facing-the-same-issue-in-5-5-with-a-full-dynamic-navmesh-even-after-importing-the-fix-to-this-cl/2663105)
**Author:** [@Glytz](https://forums.unrealengine.com/u/Glytz)\ **Replies:** 0\ **Last updated:** [October 7, 2025, 7:11pm UTC](https://forums.unrealengine.com/t/ue-243852-im-facing-the-same-issue-in-5-5-with-a-full-dynamic-navmesh-even-after-importing-the-fix-to-this-cl/2663105 "2025-10-07T19:11:00Z")
Hello as the title said, we are currently facing the same issue as described by this bug UE-243852 where some layers will not load properly, but we are using a fully dynamic navmesh inside our world. Was the bug tested … --- ## [Why is my world-partitioned NavMesh only being generated partially?](https://forums.unrealengine.com/t/why-is-my-world-partitioned-navmesh-only-being-generated-partially/1324582)
**Author:** [@BlurEffect](https://forums.unrealengine.com/u/BlurEffect)\ **Replies:** 10\ **Last updated:** [September 4, 2025, 5:18pm UTC](https://forums.unrealengine.com/t/why-is-my-world-partitioned-navmesh-only-being-generated-partially/1324582 "2025-09-04T17:18:28Z")
Hello, I’m trying to set up a world-partitioned navmesh for my game and I am following the official guide here: World Partitioned Navigation Mesh. The problem is that after setting the RecastNavmesh to world-partitioned … --- ## [How to fix bugged World Partition Landscape regions in minimap](https://forums.unrealengine.com/t/how-to-fix-bugged-world-partition-landscape-regions-in-minimap/2554890)
**Author:** [@OneNot](https://forums.unrealengine.com/u/OneNot)\ **Replies:** 1\ **Last updated:** [June 13, 2025, 1:28pm UTC](https://forums.unrealengine.com/t/how-to-fix-bugged-world-partition-landscape-regions-in-minimap/2554890 "2025-06-13T13:28:02Z")
My landscape regions are completely messed up and all over the place, specifically in the minimap. The regions are totally fine and function as expected in the viewport. In the minimap, they appear and disappear randoml… --- ## [Can I Use Occlusion Culling with World Partition?](https://forums.unrealengine.com/t/can-i-use-occlusion-culling-with-world-partition/2641908)
**Author:** [@Clinker](https://forums.unrealengine.com/u/Clinker)\ **Replies:** 3\ **Last updated:** [August 15, 2025, 8:19am UTC](https://forums.unrealengine.com/t/can-i-use-occlusion-culling-with-world-partition/2641908 "2025-08-15T08:19:38Z")
Is it possible or recommended to enable Occlusion Culling when using World Partition? --- ## [Landscape rendering issue? Landscape cells turn different shades](https://forums.unrealengine.com/t/landscape-rendering-issue-landscape-cells-turn-different-shades/2624826)
**Author:** [@Tie2k](https://forums.unrealengine.com/u/Tie2k)\ **Replies:** 1\ **Last updated:** [July 31, 2025, 2:00pm UTC](https://forums.unrealengine.com/t/landscape-rendering-issue-landscape-cells-turn-different-shades/2624826 "2025-07-31T14:00:53Z")
Hi Everyone, When creating the landscape; some celss already had a white ish glow around it them; Now when applying a material is seems like the shades also change and you can clearly see a white glow This happens wi… --- ## [Landscape, World Partition cells turning different shades/colors](https://forums.unrealengine.com/t/landscape-world-partition-cells-turning-different-shades-colors/2624387)
**Author:** [@Tie2k](https://forums.unrealengine.com/u/Tie2k)\ **Replies:** 0\ **Last updated:** [July 30, 2025, 10:38pm UTC](https://forums.unrealengine.com/t/landscape-world-partition-cells-turning-different-shades-colors/2624387 "2025-07-30T22:38:01Z")
Hi everyone, I have a question, In unreal engine I created a landscape. Upon creating the landscape 4km x 4km, 63 x 63 quad 2x2 section, I noticed some of the cells having some weird highlight/glow over it that expanded… --- ## [World Partition and Spawned Actors](https://forums.unrealengine.com/t/world-partition-and-spawned-actors/504406)
**Author:** [@JLBXB3](https://forums.unrealengine.com/u/JLBXB3)\ **Replies:** 21\ **Last updated:** [July 22, 2025, 12:37am UTC](https://forums.unrealengine.com/t/world-partition-and-spawned-actors/504406 "2025-07-22T00:37:20Z")
Is it possible to spawn an actor into the world at runtime and have it properly stream with world partition? Testing this it seems to only work on actors placed via editor world. Is this a bug or is it not a dynamic syst… --- ## [Troubleshooting World Partitioned Dynamic NavMesh - AI Move To 'Aborted' Error](https://forums.unrealengine.com/t/troubleshooting-world-partitioned-dynamic-navmesh-ai-move-to-aborted-error/1802786)
**Author:** [@Kontur](https://forums.unrealengine.com/u/Kontur)\ **Replies:** 7\ **Last updated:** [July 19, 2025, 7:40pm UTC](https://forums.unrealengine.com/t/troubleshooting-world-partitioned-dynamic-navmesh-ai-move-to-aborted-error/1802786 "2025-07-19T19:40:50Z")
Hi, I am trying to use World Partitioned Dynamic NavMesh for large levels (16kmx16km), but I can’t get it to work. After what I would like to think is setting everything up correctly, instead of moving, AI agents report… --- ## [Landscape + World Partition is just not working well](https://forums.unrealengine.com/t/landscape-world-partition-is-just-not-working-well/2610919)
**Author:** [@d1axowy](https://forums.unrealengine.com/u/d1axowy)\ **Replies:** 0\ **Last updated:** [July 19, 2025, 3:36pm UTC](https://forums.unrealengine.com/t/landscape-world-partition-is-just-not-working-well/2610919 "2025-07-19T15:36:37Z")
So I want to create a large landscape. For that, I need world partition in order to keep my frames above 30. Unfortunately, whenever I create a landscape with WP enabled, it starts to create large vertical “landscape reg… [Next page](https://forums.unrealengine.com/tag/world-partition/11214.md?match_all_tags=true&page=1&tags%5B%5D=World-Partition)