DimensionalDoors Error

[Mister X]

Title: DimensionalDoors Error

Version: 0.5.1

OS: Windows 7 (amd64) version 6.1

Java Version: 1.7.0_17, Oracle Corporation

Description of Problem:

When a player joins the Error comes and the player was kicked from the server and when I want to restart the server it crashes on stop

Error Messages:

Error Log:

2013-03-23 20:13:46 [sEVERE] Encountered an unexpected exception NoSuchMethodError

java.lang.NoSuchMethodError: gm.transferPlayerToDimension(Liq;ILyq;)V

at StevenDimDoors.mod_pocketDim.dimHelper.teleportToPocket(dimHelper.java:199)

at StevenDimDoors.mod_pocketDim.TransientDoor.a(TransientDoor.java:67)

at lq.D(Entity.java:1011)

at lq.d(Entity.java:955)

at md.e(EntityLiving.java:1536)

at qx.e(EntityPlayer.java:1796)

at md.c(EntityLiving.java:1824)

at qx.c(EntityPlayer.java:560)

at md.j_(EntityLiving.java:843)

at qx.j_(EntityPlayer.java:328)

at iq.g(EntityPlayerMP.java:286)

at iv.a(NetServerHandler.java:310)

at eb.a(SourceFile:136)

at cg.b(TcpConnection.java:458)

at iv.d(NetServerHandler.java:136)

at iw.b(NetworkListenThread.java:57)

at ht.b(SourceFile:30)

at net.minecraft.server.MinecraftServer.r(MinecraftServer.java:703)

at ho.r(DedicatedServer.java:269)

at net.minecraft.server.MinecraftServer.q(MinecraftServer.java:599)

at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:497)

at fy.run(SourceFile:849)