[Koha] (no subject)

Hey! I am trying to install koha on ubuntu 14.04 and I get the following error:Errors were encountered while processing:koha-commonE: Sub-process /usr/bin/dpkg returned an error code (1).I tried some steps I found from internet but still it doesn't work, I unstalled koha and reinstall, I even updated koha but nothing.Please I need your help. Irène M Tel. (250)788623682 Head of Programming INILAK