Can't package game.

It is a FPS template with a web browser. That’s it. It won’t package. PLEAE BEG YOU HELP

UATHelper: Packaging (Android (Multi:ASTC,PVRTC,DXT,ATC,ETC2,ETC1)): Program.Main: ERROR: AutomationTool terminated with exception: ERROR: cmd.exe failed with args /c “C:\NVPACK\apache-ant-1.8.2/bin/ant.bat” debug -Djava.source=1.7

UATHelper: Packaging (Android (Multi:ASTC,PVRTC,DXT,ATC,ETC2,ETC1)): [aapt] ERROR: unable to process assets while packaging ‘Z:\bin\game1.ap_’
UATHelper: Packaging (Android (Multi:ASTC,PVRTC,DXT,ATC,ETC2,ETC1)): [aapt] ERROR: packaging of ‘Z:\bin\game1.ap_’ failed