17:16:56 [WARNING] Unexpected exception while parsing console command
org.bukkit.command.CommandException: Unhandled exception executing command 'ban' in plugin ShankShock Registration v1
        at org.bukkit.command.PluginCommand.execute(PluginCommand.java:42)
        at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:163)
        at org.bukkit.craftbukkit.CraftServer.dispatchCommand(CraftServer.java:364)
        at org.bukkit.craftbukkit.CraftServer.dispatchCommand(CraftServer.java:360)
        at net.minecraft.server.MinecraftServer.b(MinecraftServer.java:553)
        at net.minecraft.server.MinecraftServer.w(MinecraftServer.java:530)
        at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:414)
        at net.minecraft.server.ThreadServerApplication.run(SourceFile:457)
Caused by: java.lang.NullPointerException
        at com.shankshock.nicatronTg.Registration.RegistrationCommandExecutor.onCommand(RegistrationCommandExecutor.java
:341)
        at org.bukkit.command.PluginCommand.execute(PluginCommand.java:40)
        ... 7 more