# \#Debugging

**URL:** https://forums.unrealengine.com/tag/debugging/183.md

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## [PoolKit: reduce spawn and destroy cost with drop-in pooling (UE 5.4-5.8)](https://forums.unrealengine.com/t/poolkit-reduce-spawn-and-destroy-cost-with-drop-in-pooling-ue-5-4-5-8/2838305)

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**Author:** [@BWGGames](https://forums.unrealengine.com/u/BWGGames)\
**Replies:** 0\
**Last updated:** [October 7, 2026, 3:39pm UTC](https://forums.unrealengine.com/t/poolkit-reduce-spawn-and-destroy-cost-with-drop-in-pooling-ue-5-4-5-8/2838305 "2026-10-07T15:39:58Z")

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PoolKit is a pooling plugin from our small studio, Barbed Wire Glove Games. Swap Spawn Actor from Class for Spawn Actor From Pool and Destroy Actor for Release Actor To Pool. No manager actor, base class or interface. It…

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## [Advanced Logging System - Plugin](https://forums.unrealengine.com/t/advanced-logging-system-plugin/2513455)

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**Author:** [@RTerofer](https://forums.unrealengine.com/u/RTerofer)\
**Replies:** 5\
**Last updated:** [August 13, 2026, 5:14pm UTC](https://forums.unrealengine.com/t/advanced-logging-system-plugin/2513455 "2026-08-13T17:14:37Z")

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Advanced Logging System Hello Unreal Engine Community. I am excited to finally launch this plugin. If you have any queries related to this plugin, please ask them here. The Advanced Logging System is a complete debuggin…

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## [Unreal Engine Tool: Level Optimise](https://forums.unrealengine.com/t/unreal-engine-tool-level-optimise/2653765)

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**Author:** [@JRow](https://forums.unrealengine.com/u/JRow)\
**Replies:** 3\
**Last updated:** [August 9, 2026, 12:01am UTC](https://forums.unrealengine.com/t/unreal-engine-tool-level-optimise/2653765 "2026-08-09T00:01:31Z")

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I made a tool which can help you Quickly identify bugs and optimisation opportunities in your UE5 levels! You can check it out on the FAB marketplace HERE A LEVEL-FOCUSED TOOL - search your level actors for: 47 Diffe…

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## [MetaHuman auto-rig fails with 'Server Error'](https://forums.unrealengine.com/t/metahuman-auto-rig-fails-with-server-error/2734187)

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**Author:** [@GamerLinkOG](https://forums.unrealengine.com/u/GamerLinkOG)\
**Replies:** 0\
**Last updated:** [July 7, 2026, 5:37pm UTC](https://forums.unrealengine.com/t/metahuman-auto-rig-fails-with-server-error/2734187 "2026-07-07T17:37:59Z")

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Summary Auto-Rigging the face of an in-editor MetaHuman Character consistently fails. The request reaches the server and receives a job ID, but polling for the result times out and returns ‘Server Error’. Because the rig…

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## [Project Optimise - Tool to help find potential problems and optimisations in your projects](https://forums.unrealengine.com/t/project-optimise-tool-to-help-find-potential-problems-and-optimisations-in-your-projects/1251822)

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**Author:** [@JRow](https://forums.unrealengine.com/u/JRow)\
**Replies:** 3\
**Last updated:** [June 29, 2026, 9:51pm UTC](https://forums.unrealengine.com/t/project-optimise-tool-to-help-find-potential-problems-and-optimisations-in-your-projects/1251822 "2026-06-29T21:51:36Z")

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Unreal Engine Tool: Project Optimise I made a tool to help you find potential problems and optimisations in your Unreal Engine 5 projects (currently works with UE5.3, 5.4, 5.5). It’s built using Unreal Editor Utility Wi…

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## [Landscape Spline Road Merged Into One Static Mesh Doesnt Use LODs](https://forums.unrealengine.com/t/landscape-spline-road-merged-into-one-static-mesh-doesnt-use-lods/2671527)

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**Author:** [@golos91](https://forums.unrealengine.com/u/golos91)\
**Replies:** 1\
**Last updated:** [June 15, 2026, 2:42pm UTC](https://forums.unrealengine.com/t/landscape-spline-road-merged-into-one-static-mesh-doesnt-use-lods/2671527 "2026-06-15T14:42:57Z")

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Hi everyone! I created my roads using the Landscape Spline Tool in Unreal Engine 5.5. Everything worked fine, but the spline generated around 10 000 draw callsand about 100 000 primitives when looking at the whole map. …

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## [How do you debug a function in a blueprint function library?](https://forums.unrealengine.com/t/how-do-you-debug-a-function-in-a-blueprint-function-library/287564)

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**Author:** [@Jeremy\_McKeown](https://forums.unrealengine.com/u/Jeremy_McKeown)\
**Replies:** 19\
**Last updated:** [May 18, 2026, 6:33pm UTC](https://forums.unrealengine.com/t/how-do-you-debug-a-function-in-a-blueprint-function-library/287564 "2026-05-18T18:33:39Z")

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I have several blueprint function libraries that I use for utility functions. I’ve noticed that when you set a break point and step into a blueprint library function it that blueprint debugger stops providing watch inf…

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## [How to display the centroid of a static mesh?](https://forums.unrealengine.com/t/how-to-display-the-centroid-of-a-static-mesh/2715159)

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**Author:** [@FairboyMarx](https://forums.unrealengine.com/u/FairboyMarx)\
**Replies:** 2\
**Last updated:** [April 15, 2026, 6:12am UTC](https://forums.unrealengine.com/t/how-to-display-the-centroid-of-a-static-mesh/2715159 "2026-04-15T06:12:33Z")

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In a simulation, how can I check the centroid of a static mesh in real time? I see descriptions saying “it’s possible,” but nobody explains how to do it. Even the image being displayed doesn’t show up in the search resu…

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## [\[BUG, Unsolved, Workaround.\] UE 5.1 Constructor created component invalid on BeginPlay](https://forums.unrealengine.com/t/bug-unsolved-workaround-ue-5-1-constructor-created-component-invalid-on-beginplay/761377)

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**Author:** [@Roy\_Wierer.Seda145](https://forums.unrealengine.com/u/Roy_Wierer.Seda145)\
**Replies:** 11\
**Last updated:** [April 11, 2026, 9:41pm UTC](https://forums.unrealengine.com/t/bug-unsolved-workaround-ue-5-1-constructor-created-component-invalid-on-beginplay/761377 "2026-04-11T21:41:35Z")

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Using the following setup the UActorComponent is always invalid on BeginPlay of the character. The component is correctly visible in the blueprint editor and there are no compilation errors c++ or BP side. What is this a…

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## [Debugging in Rider on Ubuntu not possible because Mouse disappears](https://forums.unrealengine.com/t/debugging-in-rider-on-ubuntu-not-possible-because-mouse-disappears/2590609)

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**Author:** [@masscad](https://forums.unrealengine.com/u/masscad)\
**Replies:** 2\
**Last updated:** [March 29, 2026, 6:27pm UTC](https://forums.unrealengine.com/t/debugging-in-rider-on-ubuntu-not-possible-because-mouse-disappears/2590609 "2026-03-29T18:27:52Z")

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Hi I recently switched from Windows to Kubuntu. First time debugging in Unreal (5.6 built from source). Im using Rider and start the editor in Debug mode using Rider. Breakpoint is in some input handling method. When th…

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## [Unable to launch UE5.6.1 projects with Nvidia Studio 595.79 drivers ](https://forums.unrealengine.com/t/unable-to-launch-ue5-6-1-projects-with-nvidia-studio-595-79-drivers/2709687)

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**Author:** [@Tealsquid](https://forums.unrealengine.com/u/Tealsquid)\
**Replies:** 0\
**Last updated:** [March 28, 2026, 10:40pm UTC](https://forums.unrealengine.com/t/unable-to-launch-ue5-6-1-projects-with-nvidia-studio-595-79-drivers/2709687 "2026-03-28T22:40:14Z")

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I want to create a new third-person shooter project using the UE default with blueprints, and every time the project opens, it closes after a second or two with the following error: Unhandled Exception: EXCEPTION\_ACCESS…

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## [set position in viewport widget not working](https://forums.unrealengine.com/t/set-position-in-viewport-widget-not-working/692335)

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**Author:** [@mariojgt](https://forums.unrealengine.com/u/mariojgt)\
**Replies:** 18\
**Last updated:** [March 9, 2026, 5:00pm UTC](https://forums.unrealengine.com/t/set-position-in-viewport-widget-not-working/692335 "2026-03-09T17:00:24Z")

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Hi devs i have a issue where i am trying to use (set position in viewport) node but is not working i have test on unreal engine 5.0 and the same pice of code works fine here is the example

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## [Metallic value shown in Ray Tracing Debug visualization appears gamma corrected compared to the actual input value ](https://forums.unrealengine.com/t/metallic-value-shown-in-ray-tracing-debug-visualization-appears-gamma-corrected-compared-to-the-actual-input-value/2704773)

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**Author:** [@JackChang0226](https://forums.unrealengine.com/u/JackChang0226)\
**Replies:** 0\
**Last updated:** [March 9, 2026, 2:03pm UTC](https://forums.unrealengine.com/t/metallic-value-shown-in-ray-tracing-debug-visualization-appears-gamma-corrected-compared-to-the-actual-input-value/2704773 "2026-03-09T14:03:18Z")

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Hi, I noticed something confusing while inspecting material parameters using the Ray Tracing Debug visualization in Unreal Engine 5.5.4. To reproduce the issue, I created a very simple scene: Two spheres Both sph…

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## [Missing debug tool in Editor on mac](https://forums.unrealengine.com/t/missing-debug-tool-in-editor-on-mac/2703489)

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**Author:** [@KaeoVirus](https://forums.unrealengine.com/u/KaeoVirus)\
**Replies:** 0\
**Last updated:** [March 3, 2026, 7:22pm UTC](https://forums.unrealengine.com/t/missing-debug-tool-in-editor-on-mac/2703489 "2026-03-03T19:22:06Z")

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Hi! I want to debug on mac (never used mac before) but I’m missing the little debug tool bar with “locate currently active node”, “continue excecution”,”step into next nodeto be excecuted”,”step into next nodeto be exce…

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## [How to visually debug fracture results in Dataflow?](https://forums.unrealengine.com/t/how-to-visually-debug-fracture-results-in-dataflow/2703135)

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**Author:** [@ssks1914](https://forums.unrealengine.com/u/ssks1914)\
**Replies:** 0\
**Last updated:** [March 2, 2026, 7:16am UTC](https://forums.unrealengine.com/t/how-to-visually-debug-fracture-results-in-dataflow/2703135 "2026-03-02T07:16:49Z")

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I have a question about data flow. I want to visually check the results of fracturing on a node. The official documentation shows the fractures as red lines for debugging, but doesn’t tell me how to display them. The …

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## [Advanced Game Logging UE5 plugin — Solution for Real-Time Logs in Editor or Shipping Builds](https://forums.unrealengine.com/t/advanced-game-logging-ue5-plugin-solution-for-real-time-logs-in-editor-or-shipping-builds/2084636)

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**Author:** [@FergiusTerro](https://forums.unrealengine.com/u/FergiusTerro)\
**Replies:** 47\
**Last updated:** [January 14, 2026, 12:35am UTC](https://forums.unrealengine.com/t/advanced-game-logging-ue5-plugin-solution-for-real-time-logs-in-editor-or-shipping-builds/2084636 "2026-01-14T00:35:54Z")

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Hello, Unreal Engine community! We are thrilled to introduce our plugin, Advanced Game Logging (GLS), designed to revolutionize how you handle logs during development and in shipping builds. Whether you’re an indie deve…

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## [Debugging  c++ with unreal engine 5.7 ](https://forums.unrealengine.com/t/debugging-c-with-unreal-engine-5-7/2688963)

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**Author:** [@Xetiam](https://forums.unrealengine.com/u/Xetiam)\
**Replies:** 3\
**Last updated:** [January 2, 2026, 6:20pm UTC](https://forums.unrealengine.com/t/debugging-c-with-unreal-engine-5-7/2688963 "2026-01-02T18:20:27Z")

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I do not understand why. I tried to attach, build with the debugger attached and nothing. The only thing I succeed was to break on a line while the editor was loading. I tried delete intermediaire/saved/binaries and r…

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## [Buggy Clients:](https://forums.unrealengine.com/t/buggy-clients/2687896)

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**Author:** [@AmadO1](https://forums.unrealengine.com/u/AmadO1)\
**Replies:** 0\
**Last updated:** [December 27, 2025, 3:03am UTC](https://forums.unrealengine.com/t/buggy-clients/2687896 "2025-12-27T03:03:45Z")

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Hi, I noticed a lot of games released, have perfection to their creativity, aside, my creativity I do on the client, has some malfunction on the game client behalf, it then crashes, rigorously, more than C # / Unity. …

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## [Character dosen't rotate correctly according to the movment (video)](https://forums.unrealengine.com/t/character-dosent-rotate-correctly-according-to-the-movment-video/2673420)

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**Author:** [@\_H121](https://forums.unrealengine.com/u/_H121)\
**Replies:** 1\
**Last updated:** [November 10, 2025, 9:10am UTC](https://forums.unrealengine.com/t/character-dosent-rotate-correctly-according-to-the-movment-video/2673420 "2025-11-10T09:10:55Z")

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Hi, I’m following the official “Your First Game In Unreal Engine 5” tutorial. I got to the part where I make the character rotate to wherever the mouse cursor is being clicked at. I followed as he showed, but it’s not wo…

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## [Visual Logger Code is Wrong at all stage ](https://forums.unrealengine.com/t/visual-logger-code-is-wrong-at-all-stage/2669324)

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**Author:** [@BConstantin](https://forums.unrealengine.com/u/BConstantin)\
**Replies:** 0\
**Last updated:** [October 28, 2025, 2:56pm UTC](https://forums.unrealengine.com/t/visual-logger-code-is-wrong-at-all-stage/2669324 "2025-10-28T14:56:00Z")

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Epic Games We have to talk seriously. You promote this in Epic Unreal engine : Visual Logger in Unreal Engine | Unreal Engine 5.6 Documentation | Epic Developer Community Did you really read the code behind it ? \* It’…

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## [Built .exe file won't run (Windows)](https://forums.unrealengine.com/t/built-exe-file-wont-run-windows/652973)

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**Author:** [@Tistik](https://forums.unrealengine.com/u/Tistik)\
**Replies:** 4\
**Last updated:** [October 24, 2025, 7:48am UTC](https://forums.unrealengine.com/t/built-exe-file-wont-run-windows/652973 "2025-10-24T07:48:51Z")

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Hey there. I have packaged a project of my game prototype but when double clicking the .exe file it doesn’t run, and generates a log file. According to Unreal Editor output log the packaging was successful, but just in…

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## [CVD Process Names](https://forums.unrealengine.com/t/cvd-process-names/2659303)

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**Author:** [@acase\_p](https://forums.unrealengine.com/u/acase_p)\
**Replies:** 1\
**Last updated:** [October 19, 2025, 2:24am UTC](https://forums.unrealengine.com/t/cvd-process-names/2659303 "2025-10-19T02:24:49Z")

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Hello, we are currently using the CVD to trace packaged builds running on PS5 dev kits using the chaos visual debugger’s session browser feature. The issue we are running into is that all instances of our game show up in…

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## [Template mismatch during attachment. Attaching instanced component to template component](https://forums.unrealengine.com/t/template-mismatch-during-attachment-attaching-instanced-component-to-template-component/641895)

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**Author:** [@Ares9323](https://forums.unrealengine.com/u/Ares9323)\
**Replies:** 6\
**Last updated:** [October 16, 2025, 8:07pm UTC](https://forums.unrealengine.com/t/template-mismatch-during-attachment-attaching-instanced-component-to-template-component/641895 "2025-10-16T20:07:58Z")

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Hi Everyone, it’s been a while since I’ve been trying to solve this issue. In my .h file: UPROPERTY(EditAnywhere, BlueprintReadWrite, Category="Room Components") USceneComponent \*Scene\_ProceduralComponents; UPROPER…

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## [What does "Queue Present" mean in the RHI thread of Unreal insights?](https://forums.unrealengine.com/t/what-does-queue-present-mean-in-the-rhi-thread-of-unreal-insights/2654636)

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**Author:** [@Boomer64](https://forums.unrealengine.com/u/Boomer64)\
**Replies:** 1\
**Last updated:** [September 22, 2025, 2:07pm UTC](https://forums.unrealengine.com/t/what-does-queue-present-mean-in-the-rhi-thread-of-unreal-insights/2654636 "2025-09-22T14:07:20Z")

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I am extremely confused. I am currently working on a mobile game in UE5.5 and hitting some pretty severe performance drops. To determine the issue I’m using unreal insights but when looking at the tasks, both the game t…

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## [Plugin dependency found when game is packaged but not when building and launching in VSCode ](https://forums.unrealengine.com/t/plugin-dependency-found-when-game-is-packaged-but-not-when-building-and-launching-in-vscode/2655143)

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**Author:** [@timski\_hii](https://forums.unrealengine.com/u/timski_hii)\
**Replies:** 0\
**Last updated:** [September 9, 2025, 4:18pm UTC](https://forums.unrealengine.com/t/plugin-dependency-found-when-game-is-packaged-but-not-when-building-and-launching-in-vscode/2655143 "2025-09-09T16:18:30Z")

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I have developed most of my project in Windows and I am trying to run it on Linux and having some issues. To figure out exactly what is going wrong I am trying to run the game attached to VSCode. My main issue is when I…

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## [Symbol Debugger minidump debugging](https://forums.unrealengine.com/t/symbol-debugger-minidump-debugging/353446)

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**Author:** [@fkrstevski](https://forums.unrealengine.com/u/fkrstevski)\
**Replies:** 17\
**Last updated:** [August 12, 2025, 7:45am UTC](https://forums.unrealengine.com/t/symbol-debugger-minidump-debugging/353446 "2025-08-12T07:45:37Z")

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I have minidump files that were generated on our QA machines, and am trying to follow the following documentation to debug the minidump: https://docs.unrealengine.com/latest/INT/Programming/Development/Tools/SymbolDebug…

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## [Memory Calculation stuck at 0%](https://forums.unrealengine.com/t/memory-calculation-stuck-at-0/2602164)

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**Author:** [@PAKPrime](https://forums.unrealengine.com/u/PAKPrime)\
**Replies:** 0\
**Last updated:** [July 12, 2025, 10:16pm UTC](https://forums.unrealengine.com/t/memory-calculation-stuck-at-0/2602164 "2025-07-12T22:16:49Z")

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Summary Hey all, I am currently having issues performing memory calculation in UEFN. It no longer performs memory calculation successfully and I cannot go to publishing my island, nor optimising memory when using results…

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## [Linux server will not produce useful callstacks.](https://forums.unrealengine.com/t/linux-server-will-not-produce-useful-callstacks/2364490)

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**Author:** [@OldManSauls](https://forums.unrealengine.com/u/OldManSauls)\
**Replies:** 2\
**Last updated:** [July 11, 2025, 1:03am UTC](https://forums.unrealengine.com/t/linux-server-will-not-produce-useful-callstacks/2364490 "2025-07-11T01:03:22Z")

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Linux Server Crash Debug Issue: Missing Symbols and Minidumps Problem Summary Our Linux server builds are failing to generate usable crash diagnostics. We receive crash report archives, but they contain neither minidump …

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## [Android Debugging](https://forums.unrealengine.com/t/android-debugging/2589717)

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**Author:** [@Mando\_2700](https://forums.unrealengine.com/u/Mando_2700)\
**Replies:** 0\
**Last updated:** [July 3, 2025, 11:53pm UTC](https://forums.unrealengine.com/t/android-debugging/2589717 "2025-07-03T23:53:28Z")

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I’ve developed a game in Unreal Engine 5 and packaged it for Android. The app installs successfully on my device (Nokia X20, running Android 14), but it crashes shortly after starting. The crash occurs consistently, and …

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## [Forward Rendering -- Can't utilize buffer visualization](https://forums.unrealengine.com/t/forward-rendering-cant-utilize-buffer-visualization/2581284)

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**Author:** [@Itsnotme4](https://forums.unrealengine.com/u/Itsnotme4)\
**Replies:** 6\
**Last updated:** [June 27, 2025, 3:40pm UTC](https://forums.unrealengine.com/t/forward-rendering-cant-utilize-buffer-visualization/2581284 "2025-06-27T15:40:30Z")

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I’m using Forward Rendering and I can’t utilize any Buffer Visualization except for scene depth. The other visualizations are blacked out. I was looking for normal map specifically, but of course it’s an important tool t…

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