Server se rusi

Otvorili smo server NeXoNCraft!

i nakon 2 dana doslo je do toga da se server nakon podizanja srusi nakon 20minuta:

ovo je log zasto se srusio al ja nerazumijemm nista od toga:

[18:58:58 WARN]: Can't keep up! Did the system time change, or is the server overloaded? Running 3653ms behind, skipping 73 tick(s)
[18:58:58 ERROR]: Encountered an unexpected exception
java.lang.NoSuchMethodError: net.minecraft.server.v1_7_R1.WorldGenPackedIce2.setType(Lnet/minecraft/server/v1_7_R1/World;IIILnet/minecraft/server/v1_7_R1/Block;)V
   at net.minecraft.server.v1_7_R1.WorldGenPackedIce2.a(SourceFile:49) ~[craftbukkit.jar:git-Bukkit-1.6.4-R2.0-2-g7e1ac0a-b2923jnks]
   at net.minecraft.server.v1_7_R1.BiomeIcePlains.a(SourceFile:33) ~[craftbukkit.jar:git-Bukkit-1.6.4-R2.0-2-g7e1ac0a-b2923jnks]
   at net.minecraft.server.v1_7_R1.ChunkProviderGenerate.getChunkAt(SourceFile:432) ~[craftbukkit.jar:git-Bukkit-1.6.4-R2.0-2-g7e1ac0a-b2923jnks]
   at org.bukkit.craftbukkit.v1_7_R1.generator.NormalChunkGenerator.getChunkAt(NormalChunkGenerator.java:49) ~[craftbukkit.jar:git-Bukkit-1.6.4-R2.0-2-g7e1ac0a-b2923jnks]
   at net.minecraft.server.v1_7_R1.ChunkProviderServer.getChunkAt(ChunkProviderServer.java:228) ~[craftbukkit.jar:git-Bukkit-1.6.4-R2.0-2-g7e1ac0a-b2923jnks]
   at net.minecraft.server.v1_7_R1.Chunk.a(Chunk.java:825) ~[craftbukkit.jar:git-Bukkit-1.6.4-R2.0-2-g7e1ac0a-b2923jnks]
   at org.bukkit.craftbukkit.v1_7_R1.chunkio.ChunkIOProvider.callStage2(ChunkIOProvider.java:61) ~[craftbukkit.jar:git-Bukkit-1.6.4-R2.0-2-g7e1ac0a-b2923jnks]
   at org.bukkit.craftbukkit.v1_7_R1.chunkio.ChunkIOProvider.callStage2(ChunkIOProvider.java:13) ~[craftbukkit.jar:git-Bukkit-1.6.4-R2.0-2-g7e1ac0a-b2923jnks]
   at org.bukkit.craftbukkit.v1_7_R1.util.AsynchronousExecutor$Task.finish(AsynchronousExecutor.java:179) ~[craftbukkit.jar:git-Bukkit-1.6.4-R2.0-2-g7e1ac0a-b2923jnks]
   at org.bukkit.craftbukkit.v1_7_R1.util.AsynchronousExecutor.finishActive(AsynchronousExecutor.java:287) ~[craftbukkit.jar:git-Bukkit-1.6.4-R2.0-2-g7e1ac0a-b2923jnks]
   at org.bukkit.craftbukkit.v1_7_R1.chunkio.ChunkIOExecutor.tick(ChunkIOExecutor.java:30) ~[craftbukkit.jar:git-Bukkit-1.6.4-R2.0-2-g7e1ac0a-b2923jnks]
   at net.minecraft.server.v1_7_R1.MinecraftServer.u(MinecraftServer.java:584) ~[craftbukkit.jar:git-Bukkit-1.6.4-R2.0-2-g7e1ac0a-b2923jnks]
   at net.minecraft.server.v1_7_R1.DedicatedServer.u(DedicatedServer.java:243) ~[craftbukkit.jar:git-Bukkit-1.6.4-R2.0-2-g7e1ac0a-b2923jnks]
   at net.minecraft.server.v1_7_R1.MinecraftServer.t(MinecraftServer.java:535) ~[craftbukkit.jar:git-Bukkit-1.6.4-R2.0-2-g7e1ac0a-b2923jnks]
   at net.minecraft.server.v1_7_R1.MinecraftServer.run(MinecraftServer.java:447) [craftbukkit.jar:git-Bukkit-1.6.4-R2.0-2-g7e1ac0a-b2923jnks]
   at net.minecraft.server.v1_7_R1.ThreadServerApplication.run(SourceFile:617) [craftbukkit.jar:git-Bukkit-1.6.4-R2.0-2-g7e1ac0a-b2923jnks]
[18:58:58 ERROR]: This crash report has been saved to: /home/srv5447/gamespy3_5471/./crash-reports/crash-2013-12-31_18.58.58-server.txt
[19:00:18 WARN]: Dec 31, 2013 7:00:18 PM com.alecgorge.minecraft.jsonapi.JSONServer info
INFO: [JSONAPI] [Streaming API] 78.134.158.114: source=[console]

to je meni isto bilo tako.Ja sam taj problem riješio tako da sam prebacio server na 1.7.2 i više se uopće nije rušio.

bas je tu problem ja jesam na 1.7.2.

LOCK problem RIJESEN!!!