Board Thread:Bug Reports/@comment-108.174.106.131-20151108134043/@comment-146.0.102.180-20151116092819

Minecraft sais: "Incompatible FML modded server 4 mods present"

and if I want to join:"Mod rejections [FMLMod:lotr{Beta v25.2 for Minecraft 1.7.10}]

what does it mean? What should i do? My version is B25.3