2013-04-13 00:40:05 [SEVERE] java.util.ConcurrentModificationException
2013-04-13 00:40:05 [SEVERE] 	at java.util.HashMap$HashIterator.nextEntry(HashMap.java:894)
2013-04-13 00:40:05 [SEVERE] 	at java.util.HashMap$KeyIterator.next(HashMap.java:928)
2013-04-13 00:40:05 [SEVERE] 	at de.bananaco.bpermissions.api.CalculableMeta.calculateEffectiveMeta(CalculableMeta.java:36)
2013-04-13 00:40:05 [SEVERE] 	at de.bananaco.bpermissions.api.CalculableMeta.calculateEffectiveMeta(CalculableMeta.java:33)
2013-04-13 00:40:05 [SEVERE] 	at de.bananaco.bpermissions.api.MetaData.setValue(MetaData.java:98)
2013-04-13 00:40:05 [SEVERE] 	at de.bananaco.bpermissions.api.CalculableWrapper.setValue(CalculableWrapper.java:75)
2013-04-13 00:40:05 [SEVERE] 	at de.bananaco.bpermissions.imp.YamlWorld.loadUnsafe(YamlWorld.java:185)
2013-04-13 00:40:05 [SEVERE] 	at de.bananaco.bpermissions.imp.YamlWorld$1.run(YamlWorld.java:90)
2013-04-13 00:40:05 [SEVERE] 	at de.bananaco.bpermissions.imp.loadmanager.MainThread.check(MainThread.java:52)
2013-04-13 00:40:05 [SEVERE] 	at de.bananaco.bpermissions.imp.loadmanager.MainThread.run(MainThread.java:27)