08.01 14:51:14 [Server] INFO Caused by: java.lang.ClassNotFoundException: net.minecraft.server.v1_6_R3.World
08.01 14:51:14 [Server] INFO ... 13 more
08.01 14:51:14 [Server] INFO at org.bukkit.command.PluginCommand.execute(PluginCommand.java:44) ~[craftbukkit_1.7.2.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
08.01 14:51:14 [Server] INFO at myz.Commands.SpawnCommand.onCommand(SpawnCommand.java:43) ~[?:?]
08.01 14:51:14 [Server] INFO at myz.MyZ.spawnPlayer(MyZ.java:918) ~[?:?]
08.01 14:51:14 [Server] INFO at myz.MyZ.spawnPlayer(MyZ.java:1091) ~[?:?]
08.01 14:51:14 [Server] INFO at myz.MyZ.spawnPlayer(MyZ.java:931) ~[?:?]
08.01 14:51:14 [Server] INFO Caused by: java.lang.NoClassDefFoundError: net/minecraft/server/v1_6_R3/World
08.01 14:51:14 [Server] INFO at net.minecraft.server.v1_7_R1.ThreadServerApplication.run(SourceFile:617) [craftbukkit_1.7.2.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
08.01 14:51:14 [Server] INFO at net.minecraft.server.v1_7_R1.MinecraftServer.run(MinecraftServer.java:457) [craftbukkit_1.7.2.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
08.01 14:51:14 [Server] INFO at net.minecraft.server.v1_7_R1.MinecraftServer.t(MinecraftServer.java:545) [craftbukkit_1.7.2.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
08.01 14:51:14 [Server] INFO at net.minecraft.server.v1_7_R1.DedicatedServer.u(DedicatedServer.java:250) [craftbukkit_1.7.2.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
08.01 14:51:14 [Server] INFO at net.minecraft.server.v1_7_R1.MinecraftServer.u(MinecraftServer.java:655) [craftbukkit_1.7.2.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
08.01 14:51:14 [Server] INFO at net.minecraft.server.v1_7_R1.ServerConnection.c(SourceFile:134) [craftbukkit_1.7.2.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
08.01 14:51:14 [Server] INFO at net.minecraft.server.v1_7_R1.NetworkManager.a(NetworkManager.java:146) [craftbukkit_1.7.2.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
08.01 14:51:14 [Server] INFO at net.minecraft.server.v1_7_R1.PacketPlayInChat.handle(PacketPlayInChat.java:47) [craftbukkit_1.7.2.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
08.01 14:51:14 [Server] INFO at net.minecraft.server.v1_7_R1.PacketPlayInChat.a(PacketPlayInChat.java:28) [craftbukkit_1.7.2.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
08.01 14:51:14 [Server] INFO at net.minecraft.server.v1_7_R1.PlayerConnection.a(PlayerConnection.java:814) [craftbukkit_1.7.2.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
08.01 14:51:14 [Server] INFO at net.minecraft.server.v1_7_R1.PlayerConnection.handleCommand(PlayerConnection.java:932) [craftbukkit_1.7.2.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
08.01 14:51:14 [Server] INFO at org.bukkit.craftbukkit.v1_7_R1.CraftServer.dispatchCommand(CraftServer.java:542) ~[craftbukkit_1.7.2.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
08.01 14:51:14 [Server] INFO at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:196) ~[craftbukkit_1.7.2.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
08.01 14:51:14 [Server] INFO at org.bukkit.command.PluginCommand.execute(PluginCommand.java:46) ~[craftbukkit_1.7.2.jar:git-Bukkit-1.7.2-R0.2-b2974jnks]
08.01 14:51:14 [Server] INFO org.bukkit.command.CommandException: Unhandled exception executing command 'start' in plugin MyZ-3 v3.0.6.22