# Programming & Scripting **URL:** https://forums.unrealengine.com/c/development-discussion/programming-scripting/148.md?page=15 [Latest](https://forums.unrealengine.com/latest.md) · [Categories](https://forums.unrealengine.com/categories.md) · [Tags](https://forums.unrealengine.com/tags.md) **Page:** 16 --- ## [The Field system is completely broken.](https://forums.unrealengine.com/t/the-field-system-is-completely-broken/2500328)
**Author:** [@carta\_oro](https://forums.unrealengine.com/u/carta_oro)\ **Replies:** 1\ **Last updated:** [October 18, 2026, 9:28am UTC](https://forums.unrealengine.com/t/the-field-system-is-completely-broken/2500328 "2026-10-18T09:28:33Z")
I’ve been struggling to deal with this pesky system for a long time, but it’s out of control. Everything is inconsistent, doesn’t work properly, and the explanations are all fraudulent. Someone please give me a plausible… --- ## [Is there any way to get copy to clipboard functionality in blueprints](https://forums.unrealengine.com/t/is-there-any-way-to-get-copy-to-clipboard-functionality-in-blueprints/1552692)
**Author:** [@Player\_003](https://forums.unrealengine.com/u/Player_003)\ **Replies:** 1\ **Last updated:** [October 18, 2026, 8:39am UTC](https://forums.unrealengine.com/t/is-there-any-way-to-get-copy-to-clipboard-functionality-in-blueprints/1552692 "2026-10-18T08:39:43Z")
I was look for an hour and couldn’t find anything than i tried make ChatGPT make me custom node for it in C++ but he is retarded so node doesn’t appear to be in the list --- ## [Is there a way to use SetMaterial() on a wall while keeping proper building behavior?](https://forums.unrealengine.com/t/is-there-a-way-to-use-setmaterial-on-a-wall-while-keeping-proper-building-behavior/2838258)
**Author:** [@saiLz](https://forums.unrealengine.com/u/saiLz)\ **Replies:** 3\ **Last updated:** [October 17, 2026, 9:40pm UTC](https://forums.unrealengine.com/t/is-there-a-way-to-use-setmaterial-on-a-wall-while-keeping-proper-building-behavior/2838258 "2026-10-17T21:40:19Z")
Hi, we’re trying to find a way to change the material of a wall dynamically with SetMaterial() in Verse, while still keeping normal Fortnite building behavior. The important part is that players should be able to build… --- ## [UE6 AI Usability](https://forums.unrealengine.com/t/ue6-ai-usability/2841948)
**Author:** [@blindminds](https://forums.unrealengine.com/u/blindminds)\ **Replies:** 0\ **Last updated:** [October 17, 2026, 4:38pm UTC](https://forums.unrealengine.com/t/ue6-ai-usability/2841948 "2026-10-17T16:38:40Z")
I would love to see everything be available directly in C++ - this would greatly improve AI assistance for things like creating substrate materials, HLSL shader code usage, PCG graphs, Sequencer and any other node graph … --- ## [Header File not found! Strange Visual Studio Compiler error](https://forums.unrealengine.com/t/header-file-not-found-strange-visual-studio-compiler-error/2841255)
**Author:** [@Ruslanmin2](https://forums.unrealengine.com/u/Ruslanmin2)\ **Replies:** 7\ **Last updated:** [October 17, 2026, 3:05pm UTC](https://forums.unrealengine.com/t/header-file-not-found-strange-visual-studio-compiler-error/2841255 "2026-10-17T15:05:12Z")
Hi, I am integrating Lyra UI Source Code in my game project and I have some strange errors where compiler tells that he cannot find C++ header file but it is existing in source code. Can you please help me to reso… --- ## [Unreal Engine + WebGPU - UE 5.8.3 running in Your Browser! ](https://forums.unrealengine.com/t/unreal-engine-webgpu-ue-5-8-3-running-in-your-browser/2841904)
**Author:** [@pooya.ai](https://forums.unrealengine.com/u/pooya.ai)\ **Replies:** 0\ **Last updated:** [October 17, 2026, 1:50pm UTC](https://forums.unrealengine.com/t/unreal-engine-webgpu-ue-5-8-3-running-in-your-browser/2841904 "2026-10-17T13:50:57Z")
Hi everyone! I’ve been working on UnrealEngine-WebGPU, a fork of Unreal Engine 5.8.3 that brings games to the browser using WebGPU and WebAssembly. The game runs locally on your device, with WebGPU handling renderin… --- ## [Registering interest in custom crash reporter backend that can handle GPU crashes](https://forums.unrealengine.com/t/registering-interest-in-custom-crash-reporter-backend-that-can-handle-gpu-crashes/2655282)
**Author:** [@anonymous-edc](https://forums.unrealengine.com/u/anonymous-edc)\ **Replies:** 9\ **Last updated:** [October 17, 2026, 1:38pm UTC](https://forums.unrealengine.com/t/registering-interest-in-custom-crash-reporter-backend-that-can-handle-gpu-crashes/2655282 "2026-10-17T13:38:54Z")
The majority of our crashes on PC are GPU crashes. That has always been the case. We are and have been using several of the “commonly used” crash reporting services https://dev.epicgames.com/documentation/en\\-us/unreal\\-… --- ## [Why is the floor or character not displayed on the network client?](https://forums.unrealengine.com/t/why-is-the-floor-or-character-not-displayed-on-the-network-client/1982865)
**Author:** [@hamzasad](https://forums.unrealengine.com/u/hamzasad)\ **Replies:** 1\ **Last updated:** [October 17, 2026, 1:35pm UTC](https://forums.unrealengine.com/t/why-is-the-floor-or-character-not-displayed-on-the-network-client/1982865 "2026-10-17T13:35:56Z")
Why is the floor or character not displayed on the network client? --- ## [An issue regarding the rotation interpolation in Blueprints not working as expected during the animation process.](https://forums.unrealengine.com/t/an-issue-regarding-the-rotation-interpolation-in-blueprints-not-working-as-expected-during-the-animation-process/2062785)
**Author:** [@shin9450](https://forums.unrealengine.com/u/shin9450)\ **Replies:** 1\ **Last updated:** [October 17, 2026, 1:35pm UTC](https://forums.unrealengine.com/t/an-issue-regarding-the-rotation-interpolation-in-blueprints-not-working-as-expected-during-the-animation-process/2062785 "2026-10-17T13:35:42Z")
I want to create a Blueprint where a dice moves continuously on a grid-based map by rotating 90 degrees on a flat surface. It will rotate to move forward, backward, left, or right, but it should not rotate around the axi… --- ## [UnrealPak can list files but fails extracting them ](https://forums.unrealengine.com/t/unrealpak-can-list-files-but-fails-extracting-them/2688755)
**Author:** [@0xbcd](https://forums.unrealengine.com/u/0xbcd)\ **Replies:** 1\ **Last updated:** [October 17, 2026, 12:52pm UTC](https://forums.unrealengine.com/t/unrealpak-can-list-files-but-fails-extracting-them/2688755 "2026-10-17T12:52:20Z")
I want to unpack a pak+ucas+utoc file, but I run into an error. Os: Linux Unreal Engine ver 5.7.1 If I run UnrealPak ./file.pak -Info I get ... \[2025.12.31-12.19.02:819\]\[ 0\]LogPakFile: Display: Pak File: /tmp/file.p… --- ## [VR Multiplayer: Client APK Crashes on Brief Server Disconnection - Need Network Expert Assistance](https://forums.unrealengine.com/t/vr-multiplayer-client-apk-crashes-on-brief-server-disconnection-need-network-expert-assistance/2695375)
**Author:** [@I\_Work\_AllDaTime](https://forums.unrealengine.com/u/I_Work_AllDaTime)\ **Replies:** 3\ **Last updated:** [October 17, 2026, 12:10am UTC](https://forums.unrealengine.com/t/vr-multiplayer-client-apk-crashes-on-brief-server-disconnection-need-network-expert-assistance/2695375 "2026-10-17T00:10:37Z")
Hello everyone, We’re developing a location-based VR experience and facing a critical issue with network stability. We’re under a tight deadline and would greatly appreciate the guidance of an Unreal networking expert w… --- ## [Mouse cursor not hiding when using gamepad? ](https://forums.unrealengine.com/t/mouse-cursor-not-hiding-when-using-gamepad/2841318)
**Author:** [@JonFelixOssim](https://forums.unrealengine.com/u/JonFelixOssim)\ **Replies:** 6\ **Last updated:** [October 16, 2026, 11:57pm UTC](https://forums.unrealengine.com/t/mouse-cursor-not-hiding-when-using-gamepad/2841318 "2026-10-16T23:57:22Z")
I have been building this prototype, and recently set it up to support both mouse+keyboard play as well as gamepad. I additionally have HUD glyphs set up to auto-update to the respective images whenever a new input metho… --- ## [Request: Python Editor Scripting access — "Enable Python" checked but disabled via CVar (v42.40) ](https://forums.unrealengine.com/t/request-python-editor-scripting-access-enable-python-checked-but-disabled-via-cvar-v42-40/2841750)
**Author:** [@MinatoMito](https://forums.unrealengine.com/u/MinatoMito)\ **Replies:** 1\ **Last updated:** [October 16, 2026, 11:09pm UTC](https://forums.unrealengine.com/t/request-python-editor-scripting-access-enable-python-checked-but-disabled-via-cvar-v42-40/2841750 "2026-10-16T23:09:53Z")
Hi Epic team, I’m building a UEFN island and would like to request access to Python Editor Scripting (early preview). What I’ve done so far: Tools menu → “Enable Python” is checked, and the editor was fully restarted… --- ## [Unreal Engine doesn't work please help me with this issue. ](https://forums.unrealengine.com/t/unreal-engine-doesnt-work-please-help-me-with-this-issue/2841796)
**Author:** [@\_L\_U\_C\_K\_Y](https://forums.unrealengine.com/u/_L_U_C_K_Y)\ **Replies:** 1\ **Last updated:** [October 16, 2026, 11:08pm UTC](https://forums.unrealengine.com/t/unreal-engine-doesnt-work-please-help-me-with-this-issue/2841796 "2026-10-16T23:08:32Z")
Hello i need to ask a question my unreal engine doesn’t work as someone else has the same problem and i want to create a map but u have problem And i would like to someone to help me with this problem i tried it on … --- ## [PCG - Spawn Actor Node, choose actor with attribute/parameter](https://forums.unrealengine.com/t/pcg-spawn-actor-node-choose-actor-with-attribute-parameter/1751595)
**Author:** [@Trassan](https://forums.unrealengine.com/u/Trassan)\ **Replies:** 9\ **Last updated:** [October 16, 2026, 9:34pm UTC](https://forums.unrealengine.com/t/pcg-spawn-actor-node-choose-actor-with-attribute-parameter/1751595 "2026-10-16T21:34:44Z")
Hi! I’m wondering how to use the “Spawn Actor” node in PCG with a custom actor selected from a attribute and/or parameter. I noticed that “Static Mesh Spawner” node has an option to choose “PCGMeshSelectorByAttribute”,… --- ## [Class not loading into datatable (Chaos wheels class)](https://forums.unrealengine.com/t/class-not-loading-into-datatable-chaos-wheels-class/2705181)
**Author:** [@ExopackVFX](https://forums.unrealengine.com/u/ExopackVFX)\ **Replies:** 1\ **Last updated:** [October 16, 2026, 9:04pm UTC](https://forums.unrealengine.com/t/class-not-loading-into-datatable-chaos-wheels-class/2705181 "2026-10-16T21:04:44Z")
I’m building a system where I can configure a vehicle in the editor by selecting a specific name from a data table, which in turns automatically loads everything, from skeletal mesh, animation blueprint, chaos wheel clas… --- ## [Hide image from map viariable](https://forums.unrealengine.com/t/hide-image-from-map-viariable/2663073)
**Author:** [@Deadlyo0](https://forums.unrealengine.com/u/Deadlyo0)\ **Replies:** 1\ **Last updated:** [October 16, 2026, 9:04pm UTC](https://forums.unrealengine.com/t/hide-image-from-map-viariable/2663073 "2026-10-16T21:04:33Z")
I have a map in the game as a UI. It contains level tiles, each level is a separate image. I would like to have the option to hide and show it depending on whether the player has unlocked the level. I tried to d… --- ## [Problem setting World Location and Rotation Cinecamera Blueprint](https://forums.unrealengine.com/t/problem-setting-world-location-and-rotation-cinecamera-blueprint/1768045)
**Author:** [@valeriorobert](https://forums.unrealengine.com/u/valeriorobert)\ **Replies:** 1\ **Last updated:** [October 16, 2026, 9:04pm UTC](https://forums.unrealengine.com/t/problem-setting-world-location-and-rotation-cinecamera-blueprint/1768045 "2026-10-16T21:04:31Z")
Hi guys, I m trying to move the Cinecamera of my Character in another position through the “Set World Location And Rotation”. The new Location is the Location of another CineCamera in scene. Now the problem: Every t… --- ## [How to make an "attract screen / mode" for your game?](https://forums.unrealengine.com/t/how-to-make-an-attract-screen-mode-for-your-game/716079)
**Author:** [@usa423](https://forums.unrealengine.com/u/usa423)\ **Replies:** 5\ **Last updated:** [October 16, 2026, 6:20pm UTC](https://forums.unrealengine.com/t/how-to-make-an-attract-screen-mode-for-your-game/716079 "2026-10-16T18:20:53Z")
Back in the arcade days…there was what was known as the “attract mode” or screen. Basically you had the title screen of the game…press start or insert coins etc etc… If that did not happen in a small time period (second… --- ## [Struggling with Rotation in Multiplayer.](https://forums.unrealengine.com/t/struggling-with-rotation-in-multiplayer/2839891)
**Author:** [@Graspna](https://forums.unrealengine.com/u/Graspna)\ **Replies:** 10\ **Last updated:** [October 16, 2026, 6:18pm UTC](https://forums.unrealengine.com/t/struggling-with-rotation-in-multiplayer/2839891 "2026-10-16T18:18:59Z")
I’m here posting because I did a lot of research but still couldn’t manage to solve this. Good night everyone. This is a Controller Blueprint that has a Event Tick to constantly make the Valid CachedCharacter (owned by … --- ## [How to set a minimum of window size when the user is playing](https://forums.unrealengine.com/t/how-to-set-a-minimum-of-window-size-when-the-user-is-playing/122452)
**Author:** [@Althou](https://forums.unrealengine.com/u/Althou)\ **Replies:** 3\ **Last updated:** [October 16, 2026, 6:18pm UTC](https://forums.unrealengine.com/t/how-to-set-a-minimum-of-window-size-when-the-user-is-playing/122452 "2026-10-16T18:18:43Z")
Hi everyone, I don’t know how to set a minimum of a window. In other words, I don’t know how to denegate for the user to minimize the game. Some function with blueprints? Thanks everyone. --- ## [On Lyra-based project, mouse capture is not fully capturing in Windowed Mode](https://forums.unrealengine.com/t/on-lyra-based-project-mouse-capture-is-not-fully-capturing-in-windowed-mode/2295092)
**Author:** [@rantrod](https://forums.unrealengine.com/u/rantrod)\ **Replies:** 4\ **Last updated:** [October 16, 2026, 6:13pm UTC](https://forums.unrealengine.com/t/on-lyra-based-project-mouse-capture-is-not-fully-capturing-in-windowed-mode/2295092 "2026-10-16T18:13:13Z")
Mouse capture works as expected when in full screen mode, but when windowed, it doesn’t fully capture. In Widowed mode, the mouse turns invisible as expected and I can play the game normally, but if I move the mouse qui… --- ## [Unreal Engine 5 category headers text missing ](https://forums.unrealengine.com/t/unreal-engine-5-category-headers-text-missing/2841746)
**Author:** [@Llosbillaros6969](https://forums.unrealengine.com/u/Llosbillaros6969)\ **Replies:** 1\ **Last updated:** [October 16, 2026, 6:05pm UTC](https://forums.unrealengine.com/t/unreal-engine-5-category-headers-text-missing/2841746 "2026-10-16T18:05:59Z")
Hello , i cant see the title from the right part of the arrows and i cant navigate throught the engine . Im at 5.6.1 im complete beginner and im at direct11 with gtx1050ti --- ## [How do I hide the Windows taskbar](https://forums.unrealengine.com/t/how-do-i-hide-the-windows-taskbar/293742)
**Author:** [@ajbarry3\_1](https://forums.unrealengine.com/u/ajbarry3_1)\ **Replies:** 17\ **Last updated:** [October 16, 2026, 6:05pm UTC](https://forums.unrealengine.com/t/how-do-i-hide-the-windows-taskbar/293742 "2026-10-16T18:05:14Z")
When I packaged my game with either development or production the windows taskbar is showing on top of my game. How do I hide the windows taskbar when I package my game? --- ## [Catching/Blocking Alt+f4 in Packaged Game](https://forums.unrealengine.com/t/catching-blocking-alt-f4-in-packaged-game/348273)
**Author:** [@Atomik17](https://forums.unrealengine.com/u/Atomik17)\ **Replies:** 5\ **Last updated:** [October 16, 2026, 6:02pm UTC](https://forums.unrealengine.com/t/catching-blocking-alt-f4-in-packaged-game/348273 "2026-10-16T18:02:50Z")
Hello, I would like to catch the event of an “alt+f’4” command from a player, in order to do proper exit (Save of the progress/clean…). Is there a way to achieve this inside UE4 ? If not, is it possible to block totall… --- ## [how to restart level after inactivity player?](https://forums.unrealengine.com/t/how-to-restart-level-after-inactivity-player/85579)
**Author:** [@wontonanimalchin](https://forums.unrealengine.com/u/wontonanimalchin)\ **Replies:** 5\ **Last updated:** [October 16, 2026, 5:59pm UTC](https://forums.unrealengine.com/t/how-to-restart-level-after-inactivity-player/85579 "2026-10-16T17:59:54Z")
Does anyone know how to blueprint a way to get this done: restart level after 2 minutes of inactivity of the player? I tried many things, but i dont get it working. I need it because there a several animations in the le… --- ## [problem with fortnite ](https://forums.unrealengine.com/t/problem-with-fortnite/2841757)
**Author:** [@Motomoto\_hehe](https://forums.unrealengine.com/u/Motomoto_hehe)\ **Replies:** 0\ **Last updated:** [October 16, 2026, 5:24pm UTC](https://forums.unrealengine.com/t/problem-with-fortnite/2841757 "2026-10-16T17:24:57Z")
i was playing fortnite and i went into a game end then after like 30 seconds i get kicked out for You were removed from the match due to internet lag, your IP or machine, VPN usage, or for cheating. We recommend not uti… --- ## [VoipTalker - Troublshooting on steamAppId 480 - missing words](https://forums.unrealengine.com/t/voiptalker-troublshooting-on-steamappid-480-missing-words/2662021)
**Author:** [@bartekk12](https://forums.unrealengine.com/u/bartekk12)\ **Replies:** 3\ **Last updated:** [October 16, 2026, 4:50pm UTC](https://forums.unrealengine.com/t/voiptalker-troublshooting-on-steamappid-480-missing-words/2662021 "2026-10-16T16:50:33Z")
Hey, Do you find the steam app ID 480 stable for testing VoIPTalker? I’ve been following tutorials for setting up VoIPTalker with proximity and PushToTalk on a client-server multiplayer using AdvancedSessionsPlugin. It… --- ## [How to add a World Object Reference to a function?](https://forums.unrealengine.com/t/how-to-add-a-world-object-reference-to-a-function/648847)
**Author:** [@The\_Hivelord1](https://forums.unrealengine.com/u/The_Hivelord1)\ **Replies:** 2\ **Last updated:** [October 16, 2026, 2:55pm UTC](https://forums.unrealengine.com/t/how-to-add-a-world-object-reference-to-a-function/648847 "2026-10-16T14:55:20Z")
I have a widget with buttons to select which level to load. As this is repetitive code I would like to use a function. This function needs a input parameter referencing the map object. From the Open Level (By Object Re… --- ## [Custom Item Name Does Not Appear Until Dropped and Picked Up Again](https://forums.unrealengine.com/t/custom-item-name-does-not-appear-until-dropped-and-picked-up-again/2841667)
**Author:** [@il\_lovers](https://forums.unrealengine.com/u/il_lovers)\ **Replies:** 0\ **Last updated:** [October 16, 2026, 1:30pm UTC](https://forums.unrealengine.com/t/custom-item-name-does-not-appear-until-dropped-and-picked-up-again/2841667 "2026-10-16T13:30:30Z")
Hi Epic team, I’m experiencing a bug in UEFN with custom items granted to players through Verse. I’m attaching a screenshot that clearly shows the issue. In the screenshot, you can see that the regular Fortnite weapon … [Previous page](https://forums.unrealengine.com/c/development-discussion/programming-scripting/148.md?page=14) [Next page](https://forums.unrealengine.com/c/development-discussion/programming-scripting/148.md?page=16)