This might be the cause of SMP not crafting (cubcraft):
Code
2013-02-18 12:45:31 [SEVERE] [fml.ItemTracker] FML has detected item discrepancies
2013-02-18 12:45:31 [SEVERE] [fml.ItemTracker] Missing items : {}
2013-02-18 12:45:31 [SEVERE] [fml.ItemTracker] Mismatched items : {5570=(Item 5570, Type f4113n.core.misc.SimpleItem, owned by F4113nC0r3, ordinal 2, name null, claimedModId null, Item 5570, Type f4113n.core.misc.SimpleItem, owned by F4113nC0r3, ordinal 9, name null, claimedModId null), 5571=(Item 5571, Type f4113n.core.misc.SimpleItem, owned by F4113nC0r3, ordinal 0, name null, claimedModId null, Item 5571, Type f4113n.core.misc.SimpleItem, owned by F4113nC0r3, ordinal 7, name null, claimedModId null), 5568=(Item 5568, Type f4113n.core.misc.SimpleItem, owned by F4113nC0r3, ordinal 3, name null, claimedModId null, Item 5568, Type f4113n.core.misc.SimpleItem, owned by F4113nC0r3, ordinal 10, name null, claimedModId null), 5569=(Item 5569, Type f4113n.core.misc.SimpleItem, owned by F4113nC0r3, ordinal 4, name null, claimedModId null, Item 5569, Type f4113n.core.misc.SimpleItem, owned by F4113nC0r3, ordinal 11, name null, claimedModId null), 5567=(Item 5567, Type f4113n.core.misc.SimpleItem, owned by F4113nC0r3, ordinal 1, name null, claimedModId null, Item 5567, Type f4113n.core.misc.SimpleItem, owned by F4113nC0r3, ordinal 8, name null, claimedModId null)}