MyBB Community Forums

hi
beacuse of some problem i transmited my forum to new server . my new server admin transmited forum . now every thing look good but i cant access to admincp when i try to go to admin cp it shows this error

please help me to solve it ( do i have to change anything after transmit ?)
thanks
my web site http://www.civilstars.com/

What hosting you using?. They have to fix the Mod_Security.

thanks
i use linux host . my ex-server was linux too. what i have to say to my server admin?

Unusual for mod_security to cause a 500 error but I think it has happened. Ask them to whitelist you against it.