[Towny Problem]

I have towny working completely and it runs perfectly fine. The only problem is the commands /accept and /deny do not work, therefore people cannot join a town. It says the command is unknown and idk where else but register.jar to fix this. Help please? D:

[Tekkit Lite Error]

01.02 18:36:18 [server] INFO at fy.run(SourceFile:849)

01.02 18:36:18 [server] INFO at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:540)

01.02 18:36:18 [server] INFO at ho.a(DedicatedServer.java:235)

01.02 18:36:18 [server] INFO at ho.al(DedicatedServer.java:308)

01.02 18:36:18 [server] INFO at x.a(CommandHandler.java:82)

01.02 18:36:18 [server] INFO at hk.b(SourceFile:18)

01.02 18:36:18 [server] INFO at w.a(SourceFile:187)

01.02 18:36:18 [server] INFO at w.a(SourceFile:192)

01.02 18:36:18 [server] INFO at hi.a(SourceFile:67)

01.02 18:36:18 [server] INFO java.lang.NullPointerException

01.02 18:36:18 [server] INFO An unknown error occurred while attempting to perform this command

01.02 18:36:18 [server] INFO at fy.run(SourceFile:849)

01.02 18:36:18 [server] INFO at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:540)

01.02 18:36:18 [server] INFO at ho.a(DedicatedServer.java:235)

01.02 18:36:18 [server] INFO at ho.al(DedicatedServer.java:308)

01.02 18:36:18 [server] INFO at x.a(CommandHandler.java:82)

01.02 18:36:18 [server] INFO at hf.b(SourceFile:29)

01.02 18:36:18 [server] INFO java.lang.NullPointerException

01.02 18:36:18 [server] INFO An unknown error occurred while attempting to perform this command

[8:37:24 PM] Michael Italiano: 01.02 18:36:55 [server] INFO Set UUID to 13588108110341815406472-1.4.6

01.02 18:36:55 [server] INFO Initializing configuration...

01.02 18:36:55 [server] INFO Configured a dormant chunk cache size of 0

01.02 18:36:54 [server] INFO This is Factorization 0.7.10

01.02 18:36:54 [server] INFO Found target method: a(Leb;)V! Inserting code...

01.02 18:36:53 [server] INFO Forge Mod Loader has identified 64 mods to load

01.02 18:36:52 [server] INFO Searching /mods for mods

01.02 18:36:52 [server] INFO Completed early MinecraftForge initialization

01.02 18:36:52 [server] INFO Replaced 84 ore recipies

01.02 18:36:52 [server] INFO MinecraftForge v6.6.0.517 Initialized

01.02 18:36:52 [server] INFO MinecraftForge v6.6.0.517 Initialized

01.02 18:36:52 [server] INFO Attempting early MinecraftForge initialization

01.02 18:36:52 [server] INFO Starting minecraft server version 1.4.7

I have no idea what is going on here..