# Error on Build Configuration **URL:** \ **Category:** Unreal Engine Plugin\ **Tags:** unreal-engine, question\ **Created:** [August 28, 2025, 7:28am UTC](https://forum.convai.com/t/error-on-build-configuration/5021 "2025-08-28T07:28:19Z")\ **Posts on this page:** 11\ **Page:** 1
**Author:** ![demetris.loizou](https://yyz2.discourse-cdn.com/flex004/user_avatar/forum.convai.com/demetris.loizou/32/4286_2.png) [@demetris.loizou](https://forum.convai.com/u/demetris.loizou)\ **Post date:** [August 28, 2025, 7:28am UTC](https://forum.convai.com/t/error-on-build-configuration/5021/1 "2025-08-28T07:28:19Z")
Hi! Can you please help me to solve the below error? ![Screenshot 2025-08-28 101845](https://canada1.discourse-cdn.com/flex004/uploads/convai/original/2X/c/ccee901176b7373abdf8b3dffc190602976c7b9c.png) ---
**Author:** ![K3](https://yyz2.discourse-cdn.com/flex004/user_avatar/forum.convai.com/k3/32/2611_2.png) [@K3](https://forum.convai.com/u/K3)\ **Post date:** [August 28, 2025, 9:37am UTC](https://forum.convai.com/t/error-on-build-configuration/5021/2 "2025-08-28T09:37:43Z")
Hello @demetris.loizou, Could you please share the log files? ---
**Author:** ![demetris.loizou](https://yyz2.discourse-cdn.com/flex004/user_avatar/forum.convai.com/demetris.loizou/32/4286_2.png) [@demetris.loizou](https://forum.convai.com/u/demetris.loizou)\ **Post date:** [August 28, 2025, 9:54am UTC](https://forum.convai.com/t/error-on-build-configuration/5021/3 "2025-08-28T09:54:31Z")
Hi K3 Can you please clarify which log files you need? ---
**Author:** ![K3](https://yyz2.discourse-cdn.com/flex004/user_avatar/forum.convai.com/k3/32/2611_2.png) [@K3](https://forum.convai.com/u/K3)\ **Post date:** [August 28, 2025, 10:00am UTC](https://forum.convai.com/t/error-on-build-configuration/5021/4 "2025-08-28T10:00:07Z")
![image](https://canada1.discourse-cdn.com/flex004/uploads/convai/original/2X/3/3461e03308150bbbf5fa2e81b0da71c37978ebdf.png) ---
**Author:** ![demetris.loizou](https://yyz2.discourse-cdn.com/flex004/user_avatar/forum.convai.com/demetris.loizou/32/4286_2.png) [@demetris.loizou](https://forum.convai.com/u/demetris.loizou)\ **Post date:** [August 28, 2025, 10:18am UTC](https://forum.convai.com/t/error-on-build-configuration/5021/5 "2025-08-28T10:18:00Z")
Log started at 08/28/2025 12:20:35 (2025-08-28T09:20:35Z) No config file at C:\ProgramData\Unreal Engine\UnrealBuildTool\BuildConfiguration.xml No config file at C:\Users\User\AppData\Local\Unreal Engine\UnrealBuildTool\BuildConfiguration.xml No config file at C:\Users\User\Documents\Unreal Engine\UnrealBuildTool\BuildConfiguration.xml Configuration will be read from: C:\Users\User\AppData\Roaming\Unreal Engine\UnrealBuildTool\BuildConfiguration.xml Setting temp directory to ‘C:\Users\User\AppData\Local\Temp\UnrealBuildTool\f2d894e7’ Registering build platform: UnrealBuildTool.AndroidPlatformFactory Registering build platform: UnrealBuildTool.IOSPlatformFactory Registering build platform: UnrealBuildTool.LinuxPlatformFactory Linux Installed SDK(s): Version\_Sdk=v23\_clang-18.1.0-rockylinux8, CurrentVersion\_Sdk=v23\_clang-18.1.0-rockylinux8, Version\_AutoSdk=v23\_clang-18.1.0-rockylinux8, CurrentVersion\_AutoSdk= Registering build platform: Linux - buildable: True LinuxArm64 Installed SDK(s): Version\_Sdk=v23\_clang-18.1.0-rockylinux8, CurrentVersion\_Sdk=v23\_clang-18.1.0-rockylinux8, Version\_AutoSdk=v23\_clang-18.1.0-rockylinux8, CurrentVersion\_AutoSdk= Registering build platform: LinuxArm64 - buildable: True Registering build platform: UnrealBuildTool.MacPlatformFactory Registering build platform: UnrealBuildTool.TVOSPlatformFactory Registering build platform: UnrealBuildTool.WindowsPlatformFactory Unable to find valid SDK(s) for Win64: Found Sdk Version, MinRequired=10.0.19041.0, MaxRequired=10.9.99999.0. Found AutoSdk Version, Required=10.0.22621.0. Registering build platform: Win64 - buildable: False Registering build platform: UnrealBuildTool.VisionOSPlatformFactory Command line: “C:\Program Files\Epic Games\UE\_5.5\Engine\Binaries\DotNET\UnrealBuildTool\UnrealBuildTool.dll” -Project=C:\Users\User\Documents\AssetUploader\AssetUploader/AssetUploader.uproject -Target=AssetUploaderEditor Win64 Development -Progress -NoHotReload Log file: C:\Users\User\AppData\Local\UnrealBuildTool\Log.txt Creating makefile for AssetUploaderEditor (no existing makefile) Total execution time: 0.82 seconds Platform Win64 is not a valid platform to build. Check that the SDK is installed properly and that you have the necessary platform support files (DataDrivenPlatformInfo.ini, SDK.json, etc). BuildException: Platform Win64 is not a valid platform to build. Check that the SDK is installed properly and that you have the necessary platform support files (DataDrivenPlatformInfo.ini, SDK.json, etc). at UnrealBuildTool.UEBuildTarget.Create(TargetDescriptor Descriptor, Boolean bSkipRulesCompile, Boolean bForceRulesCompile, Boolean bUsePrecompiled, UnrealIntermediateEnvironment IntermediateEnvironment, ILogger Logger) in D:\build\++UE5\Sync\Engine\Saved\CsTools\Engine\Source\Programs\UnrealBuildTool\Configuration\UEBuildTarget.cs:line 1263 at UnrealBuildTool.UEBuildTarget.Create(TargetDescriptor Descriptor, BuildConfiguration BuildConfiguration, ILogger Logger) in D:\build\++UE5\Sync\Engine\Saved\CsTools\Engine\Source\Programs\UnrealBuildTool\Configuration\UEBuildTarget.cs:line 1220 at UnrealBuildTool.BuildMode.CreateMakefileAsync(BuildConfiguration BuildConfiguration, TargetDescriptor TargetDescriptor, ISourceFileWorkingSet WorkingSet, ILogger Logger) in D:\build\++UE5\Sync\Engine\Saved\CsTools\Engine\Source\Programs\UnrealBuildTool\Modes\BuildMode.cs:line 1144 at UnrealBuildTool.BuildMode.BuildAsync(List`1 TargetDescriptors, BuildConfiguration BuildConfiguration, ISourceFileWorkingSet WorkingSet, BuildOptions Options, FileReference WriteOutdatedActionsFile, ILogger Logger, Boolean bSkipPreBuildTargets, String ActionTypeFilter) in D:\build\++UE5\Sync\Engine\Saved\CsTools\Engine\Source\Programs\UnrealBuildTool\Modes\BuildMode.cs:line 402 at UnrealBuildTool.BuildMode.ExecuteAsync(CommandLineArguments Arguments, ILogger Logger) in D:\build\++UE5\Sync\Engine\Saved\CsTools\Engine\Source\Programs\UnrealBuildTool\Modes\BuildMode.cs:line 257 at UnrealBuildTool.UnrealBuildTool.Main(String ArgumentsArray) in D:\build\++UE5\Sync\Engine\Saved\CsTools\Engine\Source\Programs\UnrealBuildTool\UnrealBuildTool.cs:line 687 WriteFileIfChanged() wrote 0 changed files of 0 requested writes. Timeline: [0.000] [0.000](+0.876) [0.876] ---
**Author:** ![Anmol](https://yyz2.discourse-cdn.com/flex004/user_avatar/forum.convai.com/anmol/32/4753_2.png) [@Anmol](https://forum.convai.com/u/Anmol)\ **Post date:** [August 28, 2025, 10:55am UTC](https://forum.convai.com/t/error-on-build-configuration/5021/6 "2025-08-28T10:55:24Z")
Hi @demetris.loizou , You need to setup Visual Studio in your machine. ---
**Author:** ![demetris.loizou](https://yyz2.discourse-cdn.com/flex004/user_avatar/forum.convai.com/demetris.loizou/32/4286_2.png) [@demetris.loizou](https://forum.convai.com/u/demetris.loizou)\ **Post date:** [August 28, 2025, 11:05am UTC](https://forum.convai.com/t/error-on-build-configuration/5021/7 "2025-08-28T11:05:13Z")
Hi Anmol ok, thanks! ---
**Author:** ![demetris.loizou](https://yyz2.discourse-cdn.com/flex004/user_avatar/forum.convai.com/demetris.loizou/32/4286_2.png) [@demetris.loizou](https://forum.convai.com/u/demetris.loizou)\ **Post date:** [August 28, 2025, 11:17am UTC](https://forum.convai.com/t/error-on-build-configuration/5021/8 "2025-08-28T11:17:58Z")
@Anmol I have one more question. I am new on that and i want to create a custom avatar and upload it on Convai studio. For the new users the web based metahuman creator is no long available and refers you to the 5.6. Can i upload the avatar from 5.6 or should i upload my avatar from 5.5 ---
**Author:** ![demetris.loizou](https://yyz2.discourse-cdn.com/flex004/user_avatar/forum.convai.com/demetris.loizou/32/4286_2.png) [@demetris.loizou](https://forum.convai.com/u/demetris.loizou)\ **Post date:** [September 1, 2025, 6:50am UTC](https://forum.convai.com/t/error-on-build-configuration/5021/9 "2025-09-01T06:50:00Z")
Hi @Anmol good morning I have setup Visual Studio on my device but i still get the same error. Can you please helpl? ---
**Author:** ![K3](https://yyz2.discourse-cdn.com/flex004/user_avatar/forum.convai.com/k3/32/2611_2.png) [@K3](https://forum.convai.com/u/K3)\ **Post date:** [September 1, 2025, 7:55am UTC](https://forum.convai.com/t/error-on-build-configuration/5021/10 "2025-09-01T07:55:39Z")
Which Visual Studio workloads/components did you install? Please confirm: - Game development with C++ - Desktop development with C++ - MSVC ![image](https://canada1.discourse-cdn.com/flex004/uploads/convai/original/2X/b/bb8bf978c748e560a76cfac84316999d5252b345.png) ![image](https://canada1.discourse-cdn.com/flex004/uploads/convai/original/2X/e/ed55c7c33c374875fd3cab8bb5f4f9c024dfee1f.png) ---
**Author:** ![system](https://canada1.discourse-cdn.com/flex004/uploads/convai/original/1X/e60ef96aa7334c5ccf6682f6c6dbc20fcfa96b49.png) [@system](https://forum.convai.com/u/system)\ **Post date:** [October 1, 2025, 7:55am UTC](https://forum.convai.com/t/error-on-build-configuration/5021/11 "2025-10-01T07:55:51Z")
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