Помогите Вылазить ошибка возможно из advancedmachines

[Sedoy_Wolf]

2013-02-20 22:11:07 [WARNING] [IC2] API ERROR: ic2.advancedmachines.common.TileE
ntityCentrifugeExtractor@233e7ea1 didn't implement demandsEnergy() properly, no
energy from injectEnergy accepted although demandsEnergy() returned true.
2013-02-20 22:11:07 [WARNING] [IC2] API ERROR: ic2.advancedmachines.common.TileE
ntityCentrifugeExtractor@233e7ea1 didn't implement demandsEnergy() properly, no
energy from injectEnergy accepted although demandsEnergy() returned true.
2013-02-20 22:11:07 [WARNING] [IC2] API ERROR: ic2.advancedmachines.common.TileE
ntityCentrifugeExtractor@233e7ea1 didn't implement demandsEnergy() properly, no
energy from injectEnergy accepted although demandsEnergy() returned true.
2013-02-20 22:11:07 [WARNING] [IC2] API ERROR: ic2.advancedmachines.common.TileE
ntityCentrifugeExtractor@233e7ea1 didn't implement demandsEnergy() properly, no
energy from injectEnergy accepted although demandsEnergy() returned true.
Кто может расшифровать этот бред?