Help me plz: Cannot redeclare build_spoiler()

Hello

I tried install two spoiler MOD to see which one is better and now I get error:



[code]Fatal error: Cannot redeclare build_spoiler() (previously declared in /home/ktolorg/public_html/http://ift.tt/1bznQN6) in /home/ktolorg/public_htm...



Help me plz: Cannot redeclare build_spoiler()