"This looks like a compatibility issue between ExtraUtils and FMP, which has been fixed/suppressed in ExtraUtils 1.0.3b http://www.minecraftforum.net/topic... Version 1.0.3b - Added: Precision Shears - Changed: Recipe for sandy glass - Fixed: Incorrect ore dictionary registrations - Fixed: Angel blocks now break properly - Suppressed Crash: Transfer node multiparts are no longer marked as inventories, until an FMP bug is fixed. They will still function normally but items cannot be piped in by other systems. Upgrading your ExtraUtils to latest 1.0.3c should fix this. NB latest Monster 1.1.0 still used ExtraUtils 1.0.3a" - number5