Attack of the B-team saintspack 0.5

[civilized]

I got a server from ggservers for attack of the B-team and when i try to connect to it "forge mod loader could not connect to this server the mods and versions listed below could not be found they are reqouired to play on this server saintspack : 0.5 " i need help plz 

[JaariAtmc]

That means they still have not updated to ATOBT 1.0.12c. Manually downgrade by clicking the modpack options button on the launcher screen (make sure you are on the ATOBT tab).