Problem IC2 API error fills 8.9 gig log in under a week

[HumanMan]

Hi,

i have limited space left on my server and when i looked into the reason that it crashed one day i found a no disk space error and a 8.9 gig log file

here is a snippet of the file there are millions (literally) of these messages:

file: ForgeModLoader-server-0.log

2013-03-06 16:21:54 [WARNING] [IC2] API ERROR: ic2.advancedmachines.common.TileEntityCentrifugeExtractor@4c4f76b1 didn't implement demandsEnergy() properly, no energy from injectEnergy accepted although demandsEnergy() returned true.
2013-03-06 16:21:54 [WARNING] [IC2] API ERROR: ic2.advancedmachines.common.TileEntitySingularityCompressor@29b27d75 didn't implement demandsEnergy() properly, no energy from injectEnergy accepted although demandsEnergy() returned true.
2013-03-06 16:21:54 [WARNING] [IC2] API ERROR: ic2.advancedmachines.common.TileEntityRotaryMacerator@74f9859a didn't implement demandsEnergy() properly, no energy from injectEnergy accepted although demandsEnergy() returned true.
2013-03-06 16:21:54 [WARNING] [IC2] API ERROR: ic2.advancedmachines.common.TileEntitySingularityCompressor@29b27d75 didn't implement demandsEnergy() properly, no energy from injectEnergy accepted although demandsEnergy() returned true.

any help muchly apreciated

-James

thanks