mods not loaded

[warkiller99]

Launcher Version: 1.0.1.3

Operating System: 64 bit java

Java Version: 7

Antivirus Program: when try to play my server or sumone elses it says server requires you to have and lists all the mods but i can play single player with all those mods

Description of Problem:

when try to play my server or sumone elses it says server requires you to have and lists all the mods but i can play single player with all those mods

Error Messages:

server requires you to have (list of mods)

Error Log:

[Torezu]

You updated to 3.1.0 - downgrade to 3.0.3, and you should be working in no time.