# \#fail **URL:** https://forums.unrealengine.com/tag/fail/836.md [Latest](https://forums.unrealengine.com/latest.md) · [Categories](https://forums.unrealengine.com/categories.md) · [Tags](https://forums.unrealengine.com/tags.md) --- ## [\[Blocker\] \[Critical\] Cannot connect to server for days. Fortnite CRASH, Cannot Launch Session. Getting FAILURE and FATAL messages in outlog.](https://forums.unrealengine.com/t/blocker-critical-cannot-connect-to-server-for-days-fortnite-crash-cannot-launch-session-getting-failure-and-fatal-messages-in-outlog/1690482)
**Author:** [@PledgedRanger](https://forums.unrealengine.com/u/PledgedRanger)\ **Replies:** 9\ **Last updated:** [November 20, 2024, 6:54pm UTC](https://forums.unrealengine.com/t/blocker-critical-cannot-connect-to-server-for-days-fortnite-crash-cannot-launch-session-getting-failure-and-fatal-messages-in-outlog/1690482 "2024-11-20T18:54:53Z")
Reference ID 0cb5c521-468b-09c9-0939-0b9aab845b99 Please select what you are reporting on: Unreal Editor for Fortnite What Type of Bug are you experiencing? Other Summary QueryServiceStatus request failed, Message=Co… --- ## [Epic you should be ashamed of yourself, with all the billions you have and all the high level developers and you can't build a working "stop and resume" download function](https://forums.unrealengine.com/t/epic-you-should-be-ashamed-of-yourself-with-all-the-billions-you-have-and-all-the-high-level-developers-and-you-cant-build-a-working-stop-and-resume-download-function/1193857)
**Author:** [@dorusoftware](https://forums.unrealengine.com/u/dorusoftware)\ **Replies:** 14\ **Last updated:** [October 23, 2024, 9:50am UTC](https://forums.unrealengine.com/t/epic-you-should-be-ashamed-of-yourself-with-all-the-billions-you-have-and-all-the-high-level-developers-and-you-cant-build-a-working-stop-and-resume-download-function/1193857 "2024-10-23T09:50:04Z")
Need to download Red Dead Redemption 2 which is 120 Gb, because off course it is, why not pack the offline and online separately? that would had been too much work. Downloaded 50Gb, paused the download, next day it resu… --- ## [Failed to open descriptor file error](https://forums.unrealengine.com/t/failed-to-open-descriptor-file-error/441612)
**Author:** [@Paxet](https://forums.unrealengine.com/u/Paxet)\ **Replies:** 2\ **Last updated:** [July 5, 2024, 1:04am UTC](https://forums.unrealengine.com/t/failed-to-open-descriptor-file-error/441612 "2024-07-05T01:04:07Z")
No building errors No packaging errors I have tried to move the build folder to C:// We extracted our blueprint version to a C++ version I have tried this "Go to WindowsNoEditor\\Engine\\Binaries\\Win64 Then “UE4Game-W… --- ## [Ai Move To problem with Lyra Starting Project](https://forums.unrealengine.com/t/ai-move-to-problem-with-lyra-starting-project/1901260)
**Author:** [@praxisstudio](https://forums.unrealengine.com/u/praxisstudio)\ **Replies:** 3\ **Last updated:** [June 14, 2024, 10:58pm UTC](https://forums.unrealengine.com/t/ai-move-to-problem-with-lyra-starting-project/1901260 "2024-06-14T22:58:45Z")
Hello, I’m currently doing a zombie like game with Mario. In my game, I the koopas spawn in many zones and they have to break the window for getting out of there and kill the player. When I launch the game in the edito… --- ## [D drive disappears when i try to install UE4](https://forums.unrealengine.com/t/d-drive-disappears-when-i-try-to-install-ue4/311093)
**Author:** [@GGS](https://forums.unrealengine.com/u/GGS)\ **Replies:** 10\ **Last updated:** [November 20, 2022, 3:55pm UTC](https://forums.unrealengine.com/t/d-drive-disappears-when-i-try-to-install-ue4/311093 "2022-11-20T15:55:42Z")
Before the question I’m not living in english speaking country. So my english is not good. I’m sorry about my english. I tried to install UE4 on D drive. It was about to finish installation and launcher crashed. So i… --- ## [Assertion Failed: AsyncLoading.cpp, Line 3710](https://forums.unrealengine.com/t/assertion-failed-asyncloading-cpp-line-3710/467019)
**Author:** [@Reach\_Adrian](https://forums.unrealengine.com/u/Reach_Adrian)\ **Replies:** 14\ **Last updated:** [August 20, 2022, 1:48pm UTC](https://forums.unrealengine.com/t/assertion-failed-asyncloading-cpp-line-3710/467019 "2022-08-20T13:48:57Z")
Hi everyone, This is really strange, getting the following error when I attempt to load a packaged build of our game: Assertion failed: Object-\>IsValidLowLevelFast() \[File:D:/Build/++UE4+Licensee/Sync/Engine/Source/… --- ## [The selected device does not support process snapshot](https://forums.unrealengine.com/t/the-selected-device-does-not-support-process-snapshot/437776)
**Author:** [@anonymous\_user\_94d42fdc1](https://forums.unrealengine.com/u/anonymous_user_94d42fdc1)\ **Replies:** 2\ **Last updated:** [March 12, 2021, 6:50am UTC](https://forums.unrealengine.com/t/the-selected-device-does-not-support-process-snapshot/437776 "2021-03-12T06:50:57Z")
When I plug my Pixel 2 XL into my laptop it doesn’t show up on devices I can launch the app with. But when I look at the device manager my phone appears but it says: “The selected device does not support process snapsho… --- ## [Android arm64 build failing preview 4.25 vers7](https://forums.unrealengine.com/t/android-arm64-build-failing-preview-4-25-vers7/463888)
**Author:** [@pop-eye](https://forums.unrealengine.com/u/pop-eye)\ **Replies:** 2\ **Last updated:** [February 26, 2021, 7:40am UTC](https://forums.unrealengine.com/t/android-arm64-build-failing-preview-4-25-vers7/463888 "2021-02-26T07:40:53Z")
Followed these instructions for installing NDK-21 for 4.25: However with blank project arm64 android .aab build I get the attached errors and build fails, same on another device what am I missing? Log attached mainly … --- ## [Collision to enter new level is failing cast to save data](https://forums.unrealengine.com/t/collision-to-enter-new-level-is-failing-cast-to-save-data/479421)
**Author:** [@ScoptOriginal](https://forums.unrealengine.com/u/ScoptOriginal)\ **Replies:** 3\ **Last updated:** [February 25, 2021, 8:49pm UTC](https://forums.unrealengine.com/t/collision-to-enter-new-level-is-failing-cast-to-save-data/479421 "2021-02-25T20:49:16Z")
I have a system in place to delete the previous level’s checkpoint save game and transport the player to the next level while saving their score, and it has worked fine for 9 levels, but I checked it with print string… --- ## [GetRandomReachablePointInRadius returns origin as valid point](https://forums.unrealengine.com/t/getrandomreachablepointinradius-returns-origin-as-valid-point/401465)
**Author:** [@Skylonxe](https://forums.unrealengine.com/u/Skylonxe)\ **Replies:** 4\ **Last updated:** [December 28, 2020, 1:35am UTC](https://forums.unrealengine.com/t/getrandomreachablepointinradius-returns-origin-as-valid-point/401465 "2020-12-28T01:35:53Z")
I have been playing with GetRandomReachablePointInRadius today and noticed something weird about return status. What I already know is that GetRandomReachablePointInRadius often fails and I need to repeat it multiple tim… --- ## [AI BP won't Move to Location](https://forums.unrealengine.com/t/ai-bp-wont-move-to-location/475100)
**Author:** [@anonymous\_user\_4cb6423e1](https://forums.unrealengine.com/u/anonymous_user_4cb6423e1)\ **Replies:** 0\ **Last updated:** [November 27, 2020, 11:02pm UTC](https://forums.unrealengine.com/t/ai-bp-wont-move-to-location/475100 "2020-11-27T23:02:35Z")
Hi Everyone, Sorta new here, so here is the quick sum: I’m throwing a stone to a location - an actor (who will be invisible in the main game) spawns - AI just needs to move to it AI will print Both “Success” and “Fail… --- ## [multi-user editing server loads RAM](https://forums.unrealengine.com/t/multi-user-editing-server-loads-ram/470566)
**Author:** [@Molotochek](https://forums.unrealengine.com/u/Molotochek)\ **Replies:** 0\ **Last updated:** [August 30, 2020, 7:02pm UTC](https://forums.unrealengine.com/t/multi-user-editing-server-loads-ram/470566 "2020-08-30T19:02:59Z")
multi-user editing server loads RAM. In the task manager, you can see that the server running on the command line is loading the RAM. used with a colleague VPN for direct communication Hamachi. For a month we figured out… --- ## [How can I get Find Sessions to work?](https://forums.unrealengine.com/t/how-can-i-get-find-sessions-to-work/470051)
**Author:** [@Leviboy98](https://forums.unrealengine.com/u/Leviboy98)\ **Replies:** 0\ **Last updated:** [August 20, 2020, 8:38am UTC](https://forums.unrealengine.com/t/how-can-i-get-find-sessions-to-work/470051 "2020-08-20T08:38:20Z")
I have tried using the default and the steam online subsystems and I get the same result every time. The find sessions function always fails. Creating a session works with both subsystems. Also when I try to find a ses… --- ## [SwarmAgents not Working on Assigned Jobs](https://forums.unrealengine.com/t/swarmagents-not-working-on-assigned-jobs/463416)
**Author:** [@Sumsion3D](https://forums.unrealengine.com/u/Sumsion3D)\ **Replies:** 0\ **Last updated:** [April 7, 2020, 9:58pm UTC](https://forums.unrealengine.com/t/swarmagents-not-working-on-assigned-jobs/463416 "2020-04-07T21:58:26Z")
Setup: Remote private Swarm farm in Azure One small VM (sVM-sc) with SwarmCoordinator One high-mem VM (hmVM-sa) with SwarmAgent Local workstation connected to Azure via VPN Local workstation (W-sa) with SwarmAgent sVM-s… --- ## [Why does my cast fail](https://forums.unrealengine.com/t/why-does-my-cast-fail/462916)
**Author:** [@Gekos011](https://forums.unrealengine.com/u/Gekos011)\ **Replies:** 14\ **Last updated:** [March 27, 2020, 6:25pm UTC](https://forums.unrealengine.com/t/why-does-my-cast-fail/462916 "2020-03-27T18:25:49Z")
Hello there, I really need some help 'cause I’m tired of this cast. Usually, when a cast doesn’t work, I always find an alternative. But this time, I tried to do a cast with another ActorBP and this cast always fails. … --- ## [I need help with this save asset fail](https://forums.unrealengine.com/t/i-need-help-with-this-save-asset-fail/411057)
**Author:** [@anonymous\_user\_177d7214](https://forums.unrealengine.com/u/anonymous_user_177d7214)\ **Replies:** 2\ **Last updated:** [March 24, 2020, 8:25pm UTC](https://forums.unrealengine.com/t/i-need-help-with-this-save-asset-fail/411057 "2020-03-24T20:25:06Z")
Help me with this save asset fail 222447-222448-222449- --- ## [Is My World Lost?](https://forums.unrealengine.com/t/is-my-world-lost/455158)
**Author:** [@Cherine](https://forums.unrealengine.com/u/Cherine)\ **Replies:** 2\ **Last updated:** [September 11, 2019, 5:48am UTC](https://forums.unrealengine.com/t/is-my-world-lost/455158 "2019-09-11T05:48:26Z")
So, I was working on my world level (large world), and I bought and added the Shore Rocks asset pack, and my level became unstable. Now when I open my project with that map in the directory, the entire project will fail … --- ## [K4U - plugi fail](https://forums.unrealengine.com/t/k4u-plugi-fail/337975)
**Author:** [@anonymous\_user\_1ca84cc7](https://forums.unrealengine.com/u/anonymous_user_1ca84cc7)\ **Replies:** 3\ **Last updated:** [July 8, 2019, 1:43pm UTC](https://forums.unrealengine.com/t/k4u-plugi-fail/337975 "2019-07-08T13:43:06Z")
Hi I have a problem with run plugin: Plugin 'Kinect4Unreal' failed to load because module 'Kinect4Unreal' could not be loaded. There may be an operating system error or the module may not be properly set up I try "K4U… --- ## [Invalid namespace - light building failed](https://forums.unrealengine.com/t/invalid-namespace-light-building-failed/449460)
**Author:** [@anonymous\_user\_99464f66](https://forums.unrealengine.com/u/anonymous_user_99464f66)\ **Replies:** 0\ **Last updated:** [May 23, 2019, 12:09pm UTC](https://forums.unrealengine.com/t/invalid-namespace-light-building-failed/449460 "2019-05-23T12:09:45Z")
Hi guys, Been struggling with this issue for a while now. When I build my levels, I always get an error saying the light building failed. When I open up the Swarm Agent, it gives me an “invalid namespace” error. I’ve tr… --- ## [Light building failed](https://forums.unrealengine.com/t/light-building-failed/449117)
**Author:** [@anonymous\_user\_99464f66](https://forums.unrealengine.com/u/anonymous_user_99464f66)\ **Replies:** 0\ **Last updated:** [May 17, 2019, 1:48pm UTC](https://forums.unrealengine.com/t/light-building-failed/449117 "2019-05-17T13:48:11Z")
Hi, I’m having some serious trouble trying to build the lighting. After clicking “build”, I always get the error message saying that “Lighting build failed”. The message log then says there is an error in the map check,… --- ## [Packaging for HTML5 fails with plugins](https://forums.unrealengine.com/t/packaging-for-html5-fails-with-plugins/415930)
**Author:** [@B\_REX](https://forums.unrealengine.com/u/B_REX)\ **Replies:** 2\ **Last updated:** [April 15, 2019, 11:23am UTC](https://forums.unrealengine.com/t/packaging-for-html5-fails-with-plugins/415930 "2019-04-15T11:23:37Z")
Hi, Packaging an empty project for HTML5 with some Plugins enabled fails. You might say it is the fault of third party programmers that causes the issue, which is true to some extent, as not all plugins cause the error… --- ## [IOS package Fail 4.7.6](https://forums.unrealengine.com/t/ios-package-fail-4-7-6/320081)
**Author:** [@Heim\_1](https://forums.unrealengine.com/u/Heim_1)\ **Replies:** 4\ **Last updated:** [February 18, 2019, 3:02pm UTC](https://forums.unrealengine.com/t/ios-package-fail-4-7-6/320081 "2019-02-18T15:02:28Z")
Hello. Packaging on my IOS device is failing all the time even with simplest template project. Provision and Certificate are shown as green, so i suppose they are fine. Please help me understand where is the problem. Log… --- ## [Casting to player fails](https://forums.unrealengine.com/t/casting-to-player-fails/439804)
**Author:** [@spynorbays](https://forums.unrealengine.com/u/spynorbays)\ **Replies:** 3\ **Last updated:** [December 19, 2018, 4:10pm UTC](https://forums.unrealengine.com/t/casting-to-player-fails/439804 "2018-12-19T16:10:44Z")
262850- ng I’m trying to get the Dampener Status boolean from PlayerCharacter1 and bind it into a text in the viewport. But it’s not working. I tried to create a variable for the PlayerCharacter1 and binding from t… --- ## [Cast fails seemingly random](https://forums.unrealengine.com/t/cast-fails-seemingly-random/439598)
**Author:** [@BigVulpes](https://forums.unrealengine.com/u/BigVulpes)\ **Replies:** 1\ **Last updated:** [December 16, 2018, 11:27pm UTC](https://forums.unrealengine.com/t/cast-fails-seemingly-random/439598 "2018-12-16T23:27:25Z")
Hi, so, i am setting up an inventory system for a Third Person RPG and along with this, a weapon swap from secondary weapons to primary weapon and vice versa. The code in the picture seems to work fine until a certain p… --- ## [Packaging Error](https://forums.unrealengine.com/t/packaging-error/436805)
**Author:** [@pdcsky](https://forums.unrealengine.com/u/pdcsky)\ **Replies:** 6\ **Last updated:** [November 22, 2018, 11:24pm UTC](https://forums.unrealengine.com/t/packaging-error/436805 "2018-11-22T23:24:40Z")
I’m getting an error packaging a level. The part that gets me is I don’t know what the error means or what it implies me to do to fix it. Wondering if you guys have any pointers? I’m seeing words ‘LoadedWorld’ So I’m gu… --- ## [4.20.3 Immediately fails to package: System.ArgumentNullException: Value cannot be null](https://forums.unrealengine.com/t/4-20-3-immediately-fails-to-package-system-argumentnullexception-value-cannot-be-null/436383)
**Author:** [@iamisandisnt](https://forums.unrealengine.com/u/iamisandisnt)\ **Replies:** 1\ **Last updated:** [October 26, 2018, 1:56pm UTC](https://forums.unrealengine.com/t/4-20-3-immediately-fails-to-package-system-argumentnullexception-value-cannot-be-null/436383 "2018-10-26T13:56:27Z")
Cleaned up all the errors and warnings in my log but this happens right off the bat when I go to package. I recently moved to a new computer and copied my project file over. I installed the same version of Visual Studio… --- ## [Packaging Android ASTC Failed](https://forums.unrealengine.com/t/packaging-android-astc-failed/436143)
**Author:** [@748260](https://forums.unrealengine.com/u/748260)\ **Replies:** 0\ **Last updated:** [October 22, 2018, 4:38pm UTC](https://forums.unrealengine.com/t/packaging-android-astc-failed/436143 "2018-10-22T16:38:16Z")
Every time I want to pack an android project (android multi) I get this error: UATHelper: Packaging (Android (ASTC)): ERROR: Cook failed. UATHelper: Packaging (Android (ASTC)): (see C:\\Users\\Lennard\\AppData\\Roami… --- ## [When i try to open fortnite it says "failed to open descriptor file ',,/../../ForniteGame/FortniteGame.uproject](https://forums.unrealengine.com/t/when-i-try-to-open-fortnite-it-says-failed-to-open-descriptor-file-fornitegame-fortnitegame-uproject/412564)
**Author:** [@WesoBurrito](https://forums.unrealengine.com/u/WesoBurrito)\ **Replies:** 1\ **Last updated:** [June 16, 2018, 6:09pm UTC](https://forums.unrealengine.com/t/when-i-try-to-open-fortnite-it-says-failed-to-open-descriptor-file-fornitegame-fortnitegame-uproject/412564 "2018-06-16T18:09:54Z")
I dont know what to do about it. --- ## [Unknown Cook Error exit code 25 using VMWare](https://forums.unrealengine.com/t/unknown-cook-error-exit-code-25-using-vmware/425610)
**Author:** [@masterburgler](https://forums.unrealengine.com/u/masterburgler)\ **Replies:** 0\ **Last updated:** [May 21, 2018, 3:57pm UTC](https://forums.unrealengine.com/t/unknown-cook-error-exit-code-25-using-vmware/425610 "2018-05-21T15:57:18Z")
Hey everyone, I run a Mac, which I have used to create my latest game. Scince I do not own a Windows computer I am running Windows through VMWare 3 so I can package my project. I have been trying and I can’t get past … --- ## [Android build failed](https://forums.unrealengine.com/t/android-build-failed/425546)
**Author:** [@Baderaum](https://forums.unrealengine.com/u/Baderaum)\ **Replies:** 1\ **Last updated:** [May 20, 2018, 4:26pm UTC](https://forums.unrealengine.com/t/android-build-failed/425546 "2018-05-20T16:26:58Z")
Hey, at the first my english is not the best. I want to release my project at google play, but if I build the project, then I get this error. [Next page](https://forums.unrealengine.com/tag/fail/836.md?match_all_tags=true&page=1&tags%5B%5D=fail)