I can't connect mysql database

[Callwoola]

Connection Error : (error Server may raise an error. Use "M-x epc:pop-to-last-server-process-buffer RET" to see full traceback:
Can't locate RPC/EPC/Service.pm in @INC (you may need to install the RPC::EPC::Service module) (@INC contains: /Library/Perl/5.18/darwin-thread-multi-2level /Library/Perl/5.18 /Network/Library/Perl/5.18/darwin-thread-multi-2level /Network/Library/Perl/5.18 /Library/Perl/Updates/5.18.2 /System/Library/Perl/5.18/darwin-thread-multi-2level /System/Library/Perl/5.18 /System/Library/Perl/Extras/5.18/darwin-thread-multi-2level /System/Library/Perl/Extras/5.18 .) at /Users/myhome/.emacs.d/elpa/edbi-20160224.1741/edbi-bridge.pl line 4.
BEGIN failed--compilation aborted at /Users/myhome/.emacs.d/elpa/edbi-20160224.1741/edbi-bridge.pl line 4.

Process epc:server:3 exited abnormally with code 2
)

but I already install "RPC::EPC::Service module"

[Callwoola]

I found the reason , root path have not installed perl depend library ! 😂