Yesterday, as I had updated my Minecraft Server to 1.6.4, and had installed the Mod's :
BiblioCraft-Mod-1.6.4
CarpentersBlocksMod1.6.4
ComputerCraft1.61 (for 1.6.4)
CraftGuideMod1.6.4
MrCrayfishs-Furniture-Mod-1.6.4
traincraft-4.2.1_011 (for 1.6.4)
Mow, when I'm going on my Server, my minecraft says:
Forge Mod Loader has found ID mismatches
http://www.fotos-hochladen.net/thumbnail/minecraft2wj65vikuy_thumb.jpg[/img]
who can help ?