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Build or launch in HTML5 fails


I have followed the Unreal Tutorial in how to make a HTML5 build.

But when I try to luanch or build I have those errors:

 LogPlayLevel: Running: C:\Program Files\Epic Games\UE_4.22\Engine\Binaries\DotNET\UnrealBuildTool.exe TEST HTML5 Development -Project=C:\Users\llim\Desktop\BRP_BYO\BRP_unreal_perforce\TEST.uproject  C:\Users\llim\Desktop\BRP_BYO\BRP_unreal_perforce\TEST.uproject -NoUBTMakefiles  -remoteini="C:\Users\llim\Desktop\BRP_BYO\BRP_unreal_perforce" -skipdeploy -ini:
 Game:[/Script/UnrealEd.ProjectPackagingSettings]:BlueprintNativizationMethod=Disabled -Manifest=C:\Users\llim\Desktop\BRP_BYO\BRP_unreal_perforce\Intermediate\Build\Manifest.xml -NoHotReload -log="C:\Users\llim\AppData\Roaming\Unreal Engine\AutomationTool\Logs\C+Program+Files+Epic+Games+UE_4.22\UBT-TEST-HTML5-Development.txt"
 LogPlayLevel: Error:   ERROR: No target name was specified on the command-line.
 LogPlayLevel: Took 0.662s to run UnrealBuildTool.exe, ExitCode=5
 LogPlayLevel: Error: ERROR: UnrealBuildTool failed. See log for more details. (C:\Users\llim\AppData\Roaming\Unreal Engine\AutomationTool\Logs\C+Program+Files+Epic+Games+UE_4.22\UBT-TEST-HTML5-Development.txt)
 LogPlayLevel:        (see C:\Users\llim\AppData\Roaming\Unreal Engine\AutomationTool\Logs\C+Program+Files+Epic+Games+UE_4.22\Log.txt for full exception trace)
 LogPlayLevel: AutomationTool exiting with ExitCode=5 (5)
 LogPlayLevel: Completed Launch On Stage: Build Task, Time: 0.249994
 PackagingResults: Error: Launch failed! Unknown Error
 LogSlate: Window 'Message Log' being destroyed

I don't know what to do, someone might know!

Thanks in advance

Product Version: UE 4.22
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asked Apr 03 '19 at 01:18 PM in Packaging & Deployment

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