mcJobs Error when logging in.

18:17:15 [INFO] [mcjobs] Unable to load MeMonsta.dat...  Creating file!
18:17:15 [SEVERE] Could not pass event PlayerJoinEvent to mcjobs
org.bukkit.event.EventException
        at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.ja
va:332)
        at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.jav
a:62)
        at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.j
ava:477)
        at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.j
ava:462)
        at net.minecraft.server.ServerConfigurationManagerAbstract.c(ServerConfi
gurationManagerAbstract.java:161)
        at net.minecraft.server.ServerConfigurationManagerAbstract.a(ServerConfi
gurationManagerAbstract.java:92)
        at net.minecraft.server.NetLoginHandler.d(NetLoginHandler.java:121)
        at net.minecraft.server.NetLoginHandler.c(NetLoginHandler.java:41)
        at net.minecraft.server.DedicatedServerConnectionThread.a(DedicatedServe
rConnectionThread.java:44)
        at net.minecraft.server.DedicatedServerConnection.b(SourceFile:29)
        at net.minecraft.server.MinecraftServer.q(MinecraftServer.java:581)
        at net.minecraft.server.DedicatedServer.q(DedicatedServer.java:212)
        at net.minecraft.server.MinecraftServer.p(MinecraftServer.java:474)
        at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:406)
        at net.minecraft.server.ThreadServerApplication.run(SourceFile:539)
Caused by: java.lang.UnsupportedOperationException: SuperPerms no group permissi
ons.
        at net.milkbowl.vault.permission.plugins.Permission_SuperPerms.getPlayer
Groups(Permission_SuperPerms.java:91)
        at net.milkbowl.vault.permission.Permission.getPlayerGroups(Permission.j
ava:610)
        at com.dmgkz.mcjobs.util.PlayerUtils.getAllowed(PlayerUtils.java:32)
        at com.dmgkz.mcjobs.playerdata.PlayerCache.verifyPlayerCache(PlayerCache
.java:154)
        at com.dmgkz.mcjobs.listeners.OnPlayerLogins.onPlayerJoin(OnPlayerLogins
.java:24)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
        at java.lang.reflect.Method.invoke(Unknown Source)
        at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.ja
va:330)
        ... 14 more