22.09 06:55:03 [Server] INFO ... 14 more
22.09 06:55:03 [Server] INFO at net.minecraft.entity.Entity.func_70020_e(Entity.java:1656) ~[sa.class:?]
22.09 06:55:03 [Server] INFO at net.shadowmage.ancientwarfare.npc.entity.NpcTrader.func_70037_a(NpcTrader.java:182) ~[NpcTrader.class:?]
22.09 06:55:03 [Server] INFO at net.shadowmage.ancientwarfare.npc.entity.NpcTrader.onOrdersInventoryChanged(NpcTrader.java:78) ~[NpcTrader.class:?]
22.09 06:55:03 [Server] INFO at net.shadowmage.ancientwarfare.npc.ai.NpcAIPlayerOwnedTrader.onOrdersUpdated(NpcAIPlayerOwnedTrader.java:121) ~[NpcAIPlayerOwnedTrader.class:?]
22.09 06:55:03 [Server] INFO at net.shadowmage.ancientwarfare.npc.trade.POTradeRoute.get(POTradeRoute.java:18) ~[POTradeRoute.class:?]
22.09 06:55:03 [Server] INFO at java.util.ArrayList.get(Unknown Source) ~[?:1.8.0_05]
22.09 06:55:03 [Server] INFO at java.util.ArrayList.rangeCheck(Unknown Source) ~[?:1.8.0_05]
22.09 06:55:03 [Server] INFO Caused by: java.lang.IndexOutOfBoundsException: Index: 0, Size: 0
22.09 06:55:03 [Server] INFO at java.lang.Thread.run(Unknown Source) [?:1.8.0_05]
22.09 06:55:03 [Server] INFO at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:624) [MinecraftServer.class:?]
22.09 06:55:03 [Server] INFO at net.minecraft.server.dedicated.DedicatedServer.func_71197_b(DedicatedServer.java:328) [lt.class:?]
22.09 06:55:03 [Server] INFO at net.minecraft.server.MinecraftServer.func_71247_a(MinecraftServer.java:438) [MinecraftServer.class:?]
22.09 06:55:03 [Server] INFO at net.minecraft.server.MinecraftServer.func_71222_d(MinecraftServer.java:473) [MinecraftServer.class:?]
22.09 06:55:03 [Server] INFO at net.minecraft.world.gen.ChunkProviderServer.func_73158_c(ChunkProviderServer.java:137) [ms.class:?]
22.09 06:55:03 [Server] INFO at net.minecraft.world.gen.ChunkProviderServer.loadChunk(ChunkProviderServer.java:164) [ms.class:?]
22.09 06:55:03 [Server] INFO at net.minecraftforge.common.chunkio.ChunkIOExecutor.syncChunkLoad(ChunkIOExecutor.java:12) [ChunkIOExecutor.class:git-Cauldron-MCPC-Plus-1.7.10-1.1206.01.169]
22.09 06:55:03 [Server] INFO at net.minecraftforge.common.util.AsynchronousExecutor.getSkipQueue(AsynchronousExecutor.java:302) [AsynchronousExecutor.class:git-Cauldron-MCPC-Plus-1.7.10-1.1206.01.169]
22.09 06:55:03 [Server] INFO at net.minecraftforge.common.util.AsynchronousExecutor.skipQueue(AsynchronousExecutor.java:344) [AsynchronousExecutor.class:git-Cauldron-MCPC-Plus-1.7.10-1.1206.01.169]
22.09 06:55:03 [Server] INFO at net.minecraftforge.common.chunkio.ChunkIOProvider.callStage2(ChunkIOProvider.java:14) [ChunkIOProvider.class:git-Cauldron-MCPC-Plus-1.7.10-1.1206.01.169]
22.09 06:55:03 [Server] INFO at net.minecraftforge.common.chunkio.ChunkIOProvider.callStage2(ChunkIOProvider.java:43) [ChunkIOProvider.class:git-Cauldron-MCPC-Plus-1.7.10-1.1206.01.169]
22.09 06:55:03 [Server] INFO at net.minecraft.world.chunk.storage.AnvilChunkLoader.loadEntities(AnvilChunkLoader.java:484) [aqk.class:?]
22.09 06:55:03 [Server] INFO at net.minecraft.entity.EntityList.func_75615_a(EntityList.java:172) [sg.class:?]
22.09 06:55:03 [Server] INFO at net.minecraft.entity.Entity.func_70020_e(Entity.java:1738) ~[sa.class:?]
22.09 06:55:03 [Server] INFO net.minecraft.util.ReportedException: Loading entity NBT
22.09 06:55:03 [Server] INFO [06:55:03 ERROR]: An Entity AncientWarfareNpc.aw_npc_trader(net.shadowmage.ancientwarfare.npc.entity.NpcTrader) has thrown an exception during loading, its state cannot be restored. Report this to the mod author

... your using the internal testing versions??

... and giving your NPC an invalid trade order (it has 0 route points on it) (which is why it is crashing)

Anyhow.. fixed...

Thanks for reporting things through the proper channels though :)