i think i did a litle mistake with the lenguage in the ...zimbraAdmin/WEB-INF/classes/msgs trying to remove a lenguage that I made since than when I try to log in into the admistration console all the fields says undefined and I cant log into the admin console

what can I do to restore the lenguages by default
me version is Release 3.1.1_GA_394.SuSE10_20060505115542 SuSE10 FOSS edition