I need help as fast as possible please.

Now i did install magic farm 2 package manually from your site, And i installed and it and changed the start server text to what players told me to change and i almost did every thing right and i opened the server when i try to connect to test it i get this message.
Feed the Beast FTB - Forge Mod Loader could not connect to this server
So i went on google and found out my server or forge idk both ain't compaitble so please help me here is my forge version 11.1.965 and am...

I need help as fast as possible please.