Cant start my server

[TY Jones]

Title: Cant start my server

Version: 0.5.1

OS: windows 7 home premium

Java Version: 1.7

Description of Problem:

i try to start it but this comes up and wont stop feeding it i cant even close it by typing stop

Error Messages:

Error Log:

[sTDOUT] Wrong location! ow['Bat'/676, l='world', x=129.50, y=25.10, z=203.52]

[sTDERR] java.lang.Exception: Stack trace

[sTDERR] at java.lang.Thread.dumpStack(Unknown Source)

[sTDERR] at zz.a(Chunk.java:923)

[sTDERR] at aam.a(AnvilChunkLoader.java:406)

[sTDERR] at aam.a(AnvilChunkLoader.java:103)

[sTDERR] at aam.a(AnvilChunkLoader.java:83)

[sTDERR] at im.f(ChunkProviderServer.java:182)

[sTDERR] at im.c(ChunkProviderServer.java:118

[sTDERR] at net.minecraft.server.MinecraftServer.e(MinecraftServer.java:310)

[sTDERR] at net.minecraft.server.MinecraftServer.a(MinecraftServer.java:284)

[sTDERR] at ho.c(DedicatedServer.java:180)

[sTDERR] at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:458)

[sTDERR] at fy.run(SourceFile:849)