Big and urgent Linux problem

Hi guys , I have an urgent problem and look for someone able to solve it I have VPS from GoDaddy and host some sites on it. For one client i provide him password for wordpress and client did upgrade for wordpress so qtranslate become incompatible with wordpress and everything goes wrong , i try to downgrade wordpress and i fail, try to make restore ( i have daily back up FTP secure server) and no changes ( 1 time when make restore. 1.I try to make a full user restore and try to delete account ( after i saved arhive for public_html and mysql database ) and after try to create new account i got : group aleardy exist good [login to view URL] on /etc/group and remove the account from then , save and do same for /etc/passwd [login to view URL] to create account got database already exist . go and delete database from whm and then i got usenrame for mysql already exist , i go in /var/cpanel/database/ db and remove [login to view URL] that need to reboot my system so i did power recyrcle and then ssh stop working , apache also ftp is working and whm . GoDaddy create for me a ticket , if someone know about problem and think can help me I can pay for that. As i tell i have no ssh acces. Thank you