Merci ca a avancé dans le packaging 
Maintenant je suis confronté à ce message:
UATHelper: Packaging (Android (Multi:ASTC,DXT,ETC2)): FAILURE: Build failed with an exception.
UATHelper: Packaging (Android (Multi:ASTC,DXT,ETC2)): * What went wrong:
UATHelper: Packaging (Android (Multi:ASTC,DXT,ETC2)): Could not initialize class org.codehaus.groovy.reflection.ReflectionCache
UATHelper: Packaging (Android (Multi:ASTC,DXT,ETC2)): * Try:
UATHelper: Packaging (Android (Multi:ASTC,DXT,ETC2)): Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output. Run with --scan to get full insights.
UATHelper: Packaging (Android (Multi:ASTC,DXT,ETC2)): * Get more help at https://help.gradle.org
UATHelper: Packaging (Android (Multi:ASTC,DXT,ETC2)): BUILD FAILED in 3s
UATHelper: Packaging (Android (Multi:ASTC,DXT,ETC2)): ERROR: cmd.exe failed with args /c “C:\Users\romai\Documents\Unreal Projects\MaisonRomarin\Intermediate\Android\armv7\gradle\rungradle.bat” :app:assembleDebug
UATHelper: Packaging (Android (Multi:ASTC,DXT,ETC2)): (see C:\Users\romai\AppData\Roaming\Unreal Engine\AutomationTool\Logs\C+Program+Files+Epic+Games+UE_4.27\Log.txt for full exception trace)
UATHelper: Packaging (Android (Multi:ASTC,DXT,ETC2)): AutomationTool exiting with ExitCode=1 (Error_Unknown)
UATHelper: Packaging (Android (Multi:ASTC,DXT,ETC2)): BUILD FAILED
PackagingResults: Error: Unknown Error
J’ai installé uniquement sdk.29 avec android studio pour oculus Quest 2
Merci d’avance,