My log is similar to your:
LOG FILE: MapCheck: Info Map check complete: 0 Error(s), 0 Warning(s), took 69.086ms to complete. UATHelper: Packaging (Android (ASTC)): UnrealBuildTool: Running UnrealHeaderTool “C:\Users\wispr\Documents\Unreal Projects\GAMA 4.15\Gama.uproject” “C:\Users\wispr\Documents\Unreal Projects\GAMA 4.15\Intermediate\Build\Android\Gama\Development\Gama.uhtmanifest” -LogCmds=“loginit warning, logexit warning, logdatabase error” -Un attended -WarningsAsErrors -installed UATHelper: Packaging (Android (ASTC)): UnrealBuildTool: C:\NVPACK\android-sdk-windows\tools\ant\build.xml:649: The following error occurred while executing this line: UATHelper: Packaging (Android (ASTC)): UnrealBuildTool: ERROR: System.IO.FileNotFoundException: >>>>[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[Could not find file ‘C:\Users\wispr\Documents\Unreal Projects\GAMA 4.15\Intermediate/Android/APK/bin/Gama-debug.apk’.]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]<<<< UATHelper: Packaging (Android (ASTC)): UnrealBuildTool: at System.IO.__Error.WinIOError(Int32 errorCode, String maybeFullPath) UATHelper: Packaging (Android (ASTC)): Program.Main: ERROR: AutomationTool terminated with exception: AutomationTool.CommandUtils+CommandFailedException: Command failed (Result:5): C:\Program Files\Epic Games\UE_4.15\Engine\Binaries\DotNET\UnrealBuildTool.exe Android Development -Project="C:\Users\wispr\Documents\Unreal Projects\GAMA 4.15\Ga PackagingResults:Error: Error Unknown Error
BUT I DID WHAT YOU DID BUT WHEN I TRY TO INSTALL THE API-19 I GET THESE MESSAGE:
DONE.NOTHING WAS INSTALLED. Would you know what went wrong? Thank’s.