Below are the present errors I see in my server.log. One revolves Biomes O Plenty and the Jungle Spider entity and the other is a quite a few ID conflicts with MFFS. Looking further into the MFFS issues I saw 2 cfg files for it in the config folder oddly.
Biome Error - http://pastebin.com/rueSqAmt
ID Conflicts - http://pastebin.com/ANH1wVCU
Biome Error - http://pastebin.com/rueSqAmt
ID Conflicts - http://pastebin.com/ANH1wVCU