Upcoming Disruption of Service Impacting Unreal Engine Users on GitHub

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How do I get to this page so I can download the fix?

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Setup can run, but the Updating speed is too slow to function properly. My network connection is normal

It works like charm, many thanks!

d:\Dev\UnrealEngine>Setup.bat
Checking dependencies (excluding Mac, Android, Linux)…
Updating dependencies: 100% (1/1), 0.6/0.6 MiB | 0.10 MiB/s, done.
Registering git hooks…

d:\Dev\UnrealEngine>

I’ve downloaded the Commit.gitdeps.xml from releases’ assets page, not from git: https://github.com/EpicGames/UnrealEngine/releases/tag/4.21.2-release

Re-using

UnrealEngine\.git\ue4-gitdeps

folder for ‘clean’ installations drastically reduced the setup time, thanks also for this suggestion.

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Re-use the cache next time: UnrealEngine.git\ue4-gitdeps

@JohnWestCoast

https://github.com/EpicGames/UnrealEngine/releases

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Many thanks!

Hi , im not sure if an error im having is related or not. ive grabbed the updated xml file from the 4.26.2 release and the setup.bat completes but when running the Generateprojectfiles.bat afterwards “UnrealEngine.csproj.props” cant be found

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Hi @Amanda.Schade.

I managed to get the Setup.bat to complete successfully using the 5.0.3-release tag and the provided xml, but I now get this error when trying to build the engine in Visual Studio.

Build started...
1>------ Build started: Project: EpicGames.Core, Configuration: Development Any CPU ------
1>EpicGames.Core -> D:\UE5 Source\UnrealEngine\Engine\Source\Programs\Shared\EpicGames.Core\bin\Development\netcoreapp3.1\EpicGames.Core.dll
2>------ Build started: Project: EpicGames.Build, Configuration: Development Any CPU ------
2>EpicGames.Build -> D:\UE5 Source\UnrealEngine\Engine\Source\Programs\Shared\EpicGames.Build\bin\Development\netcoreapp3.1\EpicGames.Build.dll
3>------ Build started: Project: UnrealBuildTool, Configuration: Development Any CPU ------
3>UnrealBuildTool -> D:\UE5 Source\UnrealEngine\Engine\Binaries\DotNET\UnrealBuildTool\UnrealBuildTool.dll
4>------ Build started: Project: UE5, Configuration: Development_Editor x64 ------
4>Using bundled DotNet SDK
4>Log file: D:\UE5 Source\UnrealEngine\Engine\Programs\UnrealBuildTool\Log.txt
4>Using 'git status' to determine working set for adaptive non-unity build (D:\UE5 Source\UnrealEngine).
4>Creating makefile for UnrealEditor (no existing makefile)
4>Parsing headers for UnrealEditor
4>UnrealBuildTool : error : Unhandled exception: System.IO.FileNotFoundException: Could not find file 'D:\UE5 Source\UnrealEngine\Engine\Binaries\Win64\UnrealHeaderTool.target'.
4>                        File name: 'D:\UE5 Source\UnrealEngine\Engine\Binaries\Win64\UnrealHeaderTool.target'
4>                           at System.IO.FileStream.ValidateFileHandle(SafeFileHandle fileHandle)
4>                           at System.IO.FileStream.CreateFileOpenHandle(FileMode mode, FileShare share, FileOptions options)
4>                           at System.IO.FileStream..ctor(String path, FileMode mode, FileAccess access, FileShare share, Int32 bufferSize, FileOptions options)
4>                           at System.IO.StreamReader.ValidateArgsAndOpenPath(String path, Encoding encoding, Int32 bufferSize)
4>                           at System.IO.File.InternalReadAllText(String path, Encoding encoding)
4>                           at EpicGames.Core.JsonObject.Read(FileReference File) in D:\UE5 Source\UnrealEngine\Engine\Source\Programs\Shared\EpicGames.Core\JsonObject.cs:line 100
4>                           at UnrealBuildTool.TargetReceipt.Read(FileReference Location, DirectoryReference EngineDir) in D:\UE5 Source\UnrealEngine\Engine\Source\Programs\UnrealBuildTool\System\TargetReceipt.cs:line 520
4>                           at UnrealBuildTool.TargetReceipt.Read(FileReference Location) in D:\UE5 Source\UnrealEngine\Engine\Source\Programs\UnrealBuildTool\System\TargetReceipt.cs:line 510
4>                           at UnrealBuildTool.ExternalExecution.GetHeaderToolPath(FileReference ReceiptFile) in D:\UE5 Source\UnrealEngine\Engine\Source\Programs\UnrealBuildTool\System\ExternalExecution.cs:line 776
4>                           at UnrealBuildTool.ExternalExecution.ExecuteHeaderToolIfNecessary(BuildConfiguration BuildConfiguration, FileReference ProjectFile, TargetMakefile Makefile, String TargetName, ISourceFileWorkingSet WorkingSet) in D:\UE5 Source\UnrealEngine\Engine\Source\Programs\UnrealBuildTool\System\ExternalExecution.cs:line 1205
4>                           at UnrealBuildTool.UEBuildTarget.Build(BuildConfiguration BuildConfiguration, ISourceFileWorkingSet WorkingSet, TargetDescriptor TargetDescriptor) in D:\UE5 Source\UnrealEngine\Engine\Source\Programs\UnrealBuildTool\Configuration\UEBuildTarget.cs:line 1773
4>                           at UnrealBuildTool.BuildMode.CreateMakefile(BuildConfiguration BuildConfiguration, TargetDescriptor TargetDescriptor, ISourceFileWorkingSet WorkingSet) in D:\UE5 Source\UnrealEngine\Engine\Source\Programs\UnrealBuildTool\Modes\BuildMode.cs:line 742
4>                           at UnrealBuildTool.BuildMode.Build(List`1 TargetDescriptors, BuildConfiguration BuildConfiguration, ISourceFileWorkingSet WorkingSet, BuildOptions Options, FileReference WriteOutdatedActionsFile, Boolean bSkipPreBuildTargets) in D:\UE5 Source\UnrealEngine\Engine\Source\Programs\UnrealBuildTool\Modes\BuildMode.cs:line 267
4>                           at UnrealBuildTool.BuildMode.Execute(CommandLineArguments Arguments) in D:\UE5 Source\UnrealEngine\Engine\Source\Programs\UnrealBuildTool\Modes\BuildMode.cs:line 237
4>                           at UnrealBuildTool.UnrealBuildTool.Main(String[] ArgumentsArray) in D:\UE5 Source\UnrealEngine\Engine\Source\Programs\UnrealBuildTool\UnrealBuildTool.cs:line 612
4>D:\Program Files\Microsoft Visual Studio\2022\Community\MSBuild\Microsoft\VC\v170\Microsoft.MakeFile.Targets(44,5): error MSB3073: The command "..\..\Build\BatchFiles\Build.bat -Target="UnrealEditor Win64 Development" -Target="ShaderCompileWorker Win64 Development -Quiet" -WaitMutex -FromMsBuild" exited with code 6.
4>Done building project "UE5.vcxproj" -- FAILED.
========== Build: 3 succeeded, 1 failed, 0 up-to-date, 0 skipped ==========
========== Build started at 4:23 PM and took 15.662 seconds ==========

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Hey @4JDaveShindler, our team did a fresh install of 4.26.2 with the new corresponding XML and successfully built. They mentioned that “UnrealEngine.csproj.props” doesn’t show up in our builds until 5.1, so it could be due to some picked code.

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Trying to run Setup.bat , still getting below error:
Checking dependencies…
Updating dependencies: 0% (0/63485)…
Failed to download ‘https://cdn.unrealengine.com/dependencies/UnrealEngine-12245497-69c6ab0ca64f438392018dc810dlad84/017c812ca5e91e3dceac600cl63aa6735873919e’: The remote server returned an error: (403) Forbidden. (WebException)
Press any key to continue . . .

My Setup.bat finished but now when I try to launch the editor it stops at 75% when “initializing” and the editor closes with no errors and no messages. It just closes at 75% no matter how many times I try to open it. Is anyone else experiencing this issue after getting the new recommended XML file?

I work with the NvRTX_Caustics-4.27 branch.
Runing Setup.bat after cloning the branch gives the error:
.\Setup.bat
Checking dependencies…
Updating dependencies: 0% (0/64293)…
Failed to download ‘http://cdn.unrealengine.com/dependencies/UnrealEngine-14885582-…’: The remote server returned an error: (403) Forbidden. (WebException)
Press any key to continue . . .

Is that branch on any priority list?

I repeace XML File at 5.1.0 and download Engine depandencies, But GenerateProjectFiles Process Always Error

As pointed out by @Slonopotamus this breaks all the git tags. So they need to be adjusted to the fixing commit. @Amanda.Schade

I success running Setup.bat after replace Commit.gitdeps.xml in windows
but I still failed running Setup.sh after replace Commit.gitdeps.xml in Mac

Does anyone know how to fix this on Mac?

I just cant believe what i am reading here, epic doesnt have a QA process ? how such a critical issue not being hotfixed right the way ?

Hi @Amanda.Schade .

Any feedback on the missing UnrealHeaderTool.target file?

it works:)

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I am trying to build Carla following the instructions in Linux build - CARLA Simulator
But after cloning the git repo

and running


I tried updating the Commit.gitdeps.xml as suggested above, no use.

For 5.0, when downloading dependencies, it has Script:SNH-gen [Trj] and Avast aborted the connection. It happened just now. However, it still kept updating dependencies and eventually failed.

Was it false positives? So I can disable AVAST while downloading it.

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