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---- Minecraft Crash Report ----
// Who set us up the TNT?

Time: 23.03.15 17:36
Description: Exception in server tick loop

java.lang.NoSuchMethodError: codechicken.core.packet.PacketCustom.sendToPlayer(Lqx;)V
at codechicken.chunkloader.BlockChunkLoader.a(BlockChunkLoader.java:103)
at ir.a(ItemInWorldManager.java:411)
at iv.a(NetServerHandler.java:579)
at fk.a(SourceFile:58)
at cf.b(MemoryConnection.java:80)
at iv.d(NetServerHandler.java:136)
at iw.b(NetworkListenThread.java:57)
at bec.b(IntegratedServerListenThread.java:108)
at net.minecraft.server.MinecraftServer.r(MinecraftServer.java:703)
at net.minecraft.server.MinecraftServer.q(MinecraftServer.java:599)
at bdz.q(IntegratedServer.java:170)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:497)
at fy.run(SourceFile:849)

A detailed walkthrough of the error, its code path and all known details is as follows:
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-- System Details --
Details:
Minecraft Version: 1.4.7
Operating System: Windows 7 (amd64) version 6.1
Java Version: 1.8.0_40, Oracle Corporation
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 962448600 bytes (917 MB) / 2143813632 bytes (2044 MB) up to 7635730432 bytes (7282 MB)
JVM Flags: 5 total; -Xmx8G -Xms2G -XX:MaxPermSize=1G -Xmx8G -Xms2G
AABB Pool Size: 2338 (130928 bytes; 0 MB) allocated, 2241 (125496 bytes; 0 MB) used
Suspicious classes: FML and Forge are installed
IntCache: cache: 0, tcache: 0, allocated: 3, tallocated: 63
FML: ~~ERROR~~ NullPointerException: null
Profiler Position: N/A (disabled)
Vec3 Pool Size: 197 (11032 bytes; 0 MB) allocated, 191 (10696 bytes; 0 MB) used
Player Count: 1 / 8; [iq['[email protected]'/541942, l='insel pls', x=33,05, y=65,00, z=114,32]]
Type: Integrated Server (map_client.txt)
Is Modded: Definitely; Client brand changed to 'forge,fml'