I just found a bug with Redstone engines and levers to turn them on... Same instant crash as the Rotary Macerator....
I'm going to do more tests to make sure it was just redstone engine and lever but thats the only thing I did before it went bewm
2012-11-25 20:51:02 [iNFO] Sending serverside check to: simon7771
2012-11-25 20:51:24 [sEVERE] java.lang.NoSuchMethodError: buildcraft.api.PowerProvider.receiveEnergy(I)V
2012-11-25 20:51:24 [sEVERE] at buildcraft.energy.TileEngine.q_(TileEngine.java:126)
2012-11-25 20:51:24 [sEVERE] at