Error when trying to open CMS localhost

when I try to open cms in firefox I get the following error:
Fatal Error - sorry this shouldn’t happen. SQLSTATE[HY000] [1045] Access denied for user ‘cms’@‘172.18.0.3’ (using password: YES)

Hi Yariv,

I have replied to your initial post about this error. Please refer to that reply for a solution:

Many Thanks.