I think this is due to the way basic components was changed.
2013-08-01 16:26:10 [SEVERE] [fml.ItemTracker] FML has detected item discrepancies
2013-08-01 16:26:10 [SEVERE] [fml.ItemTracker] Missing items : {14244=Item 14244, Type basiccomponents.common.item.ItemBase, owned by GalacticraftCore, ordinal 1, name null, claimedModId null, 14242=Item 14242, Type basiccomponents.common.item.ItemIngot, owned by GalacticraftCore, ordinal 3, name null, claimedModId null, 3971=Item 3971, Type basiccomponents.common.block.BlockBase, owned by GalacticraftCore, ordinal 1, name oreTin, claimedModId null, 3970=Item 3970, Type basiccomponents.common.block.BlockBase, owned by GalacticraftCore, ordinal 0, name oreCopper, claimedModId null, 14240=Item 14240, Type basiccomponents.common.item.ItemIngot, owned by GalacticraftCore, ordinal 1, name null, claimedModId null, 14239=Item 14239, Type basiccomponents.common.item.ItemIngot, owned by GalacticraftCore, ordinal 0, name null, claimedModId null}
2013-08-01 16:26:10 [SEVERE] [fml.ItemTracker] Mismatched items : {14229=(Item 14229, Type basiccomponents.common.item.ItemBase, owned by GalacticraftCore, ordinal 5, name null, claimedModId null, Item 14229, Type basiccomponents.common.item.ItemBase, owned by GalacticraftCore, ordinal 4, name null, claimedModId null), 14231=(Item 14231, Type basiccomponents.common.item.ItemBase, owned by GalacticraftCore, ordinal 3, name null, claimedModId null, Item 14231, Type basiccomponents.common.item.ItemBase, owned by GalacticraftCore, ordinal 2, name null, claimedModId null), 14230=(Item 14230, Type basiccomponents.common.item.ItemBase, owned by GalacticraftCore, ordinal 2, name null, claimedModId null, Item 14230, Type basiccomponents.common.item.ItemBase, owned by GalacticraftCore, ordinal 1, name null, claimedModId null), 14241=(Item 14241, Type basiccomponents.common.item.ItemIngot, owned by GalacticraftCore, ordinal 2, name null, claimedModId null, Item 14241, Type basiccomponents.common.item.ItemIngot, owned by GalacticraftCore, ordinal 0, name null, claimedModId null), 14232=(Item 14232, Type basiccomponents.common.item.ItemBase, owned by GalacticraftCore, ordinal 4, name null, claimedModId null, Item 14232, Type basiccomponents.common.item.ItemBase, owned by GalacticraftCore, ordinal 3, name null, claimedModId null)}
2013-08-01 16:26:20 [INFO] [Minecraft-Client] Stopping!
I think this is due to the way basic components was changed.
2013-08-01 16:26:10 [SEVERE] [fml.ItemTracker] FML has detected item discrepancies 2013-08-01 16:26:10 [SEVERE] [fml.ItemTracker] Missing items : {14244=Item 14244, Type basiccomponents.common.item.ItemBase, owned by GalacticraftCore, ordinal 1, name null, claimedModId null, 14242=Item 14242, Type basiccomponents.common.item.ItemIngot, owned by GalacticraftCore, ordinal 3, name null, claimedModId null, 3971=Item 3971, Type basiccomponents.common.block.BlockBase, owned by GalacticraftCore, ordinal 1, name oreTin, claimedModId null, 3970=Item 3970, Type basiccomponents.common.block.BlockBase, owned by GalacticraftCore, ordinal 0, name oreCopper, claimedModId null, 14240=Item 14240, Type basiccomponents.common.item.ItemIngot, owned by GalacticraftCore, ordinal 1, name null, claimedModId null, 14239=Item 14239, Type basiccomponents.common.item.ItemIngot, owned by GalacticraftCore, ordinal 0, name null, claimedModId null} 2013-08-01 16:26:10 [SEVERE] [fml.ItemTracker] Mismatched items : {14229=(Item 14229, Type basiccomponents.common.item.ItemBase, owned by GalacticraftCore, ordinal 5, name null, claimedModId null, Item 14229, Type basiccomponents.common.item.ItemBase, owned by GalacticraftCore, ordinal 4, name null, claimedModId null), 14231=(Item 14231, Type basiccomponents.common.item.ItemBase, owned by GalacticraftCore, ordinal 3, name null, claimedModId null, Item 14231, Type basiccomponents.common.item.ItemBase, owned by GalacticraftCore, ordinal 2, name null, claimedModId null), 14230=(Item 14230, Type basiccomponents.common.item.ItemBase, owned by GalacticraftCore, ordinal 2, name null, claimedModId null, Item 14230, Type basiccomponents.common.item.ItemBase, owned by GalacticraftCore, ordinal 1, name null, claimedModId null), 14241=(Item 14241, Type basiccomponents.common.item.ItemIngot, owned by GalacticraftCore, ordinal 2, name null, claimedModId null, Item 14241, Type basiccomponents.common.item.ItemIngot, owned by GalacticraftCore, ordinal 0, name null, claimedModId null), 14232=(Item 14232, Type basiccomponents.common.item.ItemBase, owned by GalacticraftCore, ordinal 4, name null, claimedModId null, Item 14232, Type basiccomponents.common.item.ItemBase, owned by GalacticraftCore, ordinal 3, name null, claimedModId null)} 2013-08-01 16:26:20 [INFO] [Minecraft-Client] Stopping!