admin error

[mennou]

i was trying to install few mods   now i canno tlog  through my admin can anyone help pls

Fatal error: Cannot redeclare autowarn() (previously declared in /usr/home/mixspot/public_html/community/Sources/Security.php:189) in /usr/home/mixspot/public_html/community/Sources/Security.php on line 243

[[Unknown]]

You installed the modification twice.  You can either try uninstalling it, or uploading clean source files.

-[Unknown]