[16:43:05] [Server thread/INFO]: ShadowCrafter829 issued server command: /pex user ShadowCrafter829 group set default
[16:43:05] [Server thread/ERROR]: Could not pass event GroupAddEvent to PrisonRankup v2.5
org.bukkit.event.EventException
	at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:294) ~[spigot.jar:git-Spigot-1487]
	at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) ~[spigot.jar:git-Spigot-1487]
	at org.bukkit.plugin.TimedRegisteredListener.callEvent(TimedRegisteredListener.java:30) ~[spigot.jar:git-Spigot-1487]
	at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:502) [spigot.jar:git-Spigot-1487]
	at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:487) [spigot.jar:git-Spigot-1487]
	at net.craftservers.prisonrankup.Utils.GAEUtil.callEvent(GAEUtil.java:117) [PrisonRankup_v2.5.jar:?]
	at net.craftservers.prisonrankup.Utils.GAEUtil.onCommandPreprocess(GAEUtil.java:76) [PrisonRankup_v2.5.jar:?]
	at sun.reflect.GeneratedMethodAccessor132.invoke(Unknown Source) ~[?:?]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1.7.0_45]
	at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.7.0_45]
	at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:292) [spigot.jar:git-Spigot-1487]
	at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:62) [spigot.jar:git-Spigot-1487]
	at org.bukkit.plugin.TimedRegisteredListener.callEvent(TimedRegisteredListener.java:30) [spigot.jar:git-Spigot-1487]
	at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:502) [spigot.jar:git-Spigot-1487]
	at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:487) [spigot.jar:git-Spigot-1487]
	at net.minecraft.server.v1_7_R3.PlayerConnection.handleCommand(PlayerConnection.java:991) [spigot.jar:git-Spigot-1487]
	at net.minecraft.server.v1_7_R3.PlayerConnection.a(PlayerConnection.java:830) [spigot.jar:git-Spigot-1487]
	at net.minecraft.server.v1_7_R3.PacketPlayInChat.a(PacketPlayInChat.java:28) [spigot.jar:git-Spigot-1487]
	at net.minecraft.server.v1_7_R3.PacketPlayInChat.handle(PacketPlayInChat.java:65) [spigot.jar:git-Spigot-1487]
	at net.minecraft.server.v1_7_R3.NetworkManager.a(NetworkManager.java:180) [spigot.jar:git-Spigot-1487]
	at net.minecraft.server.v1_7_R3.ServerConnection.c(ServerConnection.java:81) [spigot.jar:git-Spigot-1487]
	at net.minecraft.server.v1_7_R3.MinecraftServer.v(MinecraftServer.java:720) [spigot.jar:git-Spigot-1487]
	at net.minecraft.server.v1_7_R3.DedicatedServer.v(DedicatedServer.java:283) [spigot.jar:git-Spigot-1487]
	at net.minecraft.server.v1_7_R3.MinecraftServer.u(MinecraftServer.java:583) [spigot.jar:git-Spigot-1487]
	at net.minecraft.server.v1_7_R3.MinecraftServer.run(MinecraftServer.java:489) [spigot.jar:git-Spigot-1487]
	at net.minecraft.server.v1_7_R3.ThreadServerApplication.run(SourceFile:628) [spigot.jar:git-Spigot-1487]
Caused by: java.lang.NullPointerException
	at java.util.UUID.fromString(Unknown Source) ~[?:1.7.0_45]
	at net.craftservers.prisonrankup.Models.PRPlayer.fromString(PRPlayer.java:156) ~[?:?]
	at net.craftservers.prisonrankup.Models.PRPlayer.getPlayer(PRPlayer.java:98) ~[?:?]
	at net.craftservers.prisonrankup.Models.PRPlayer.<init>(PRPlayer.java:33) ~[?:?]
	at net.craftservers.prisonrankup.Listeners.ConfigUpdater.onGroupAdd(ConfigUpdater.java:15) ~[?:?]
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.7.0_45]
	at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) ~[?:1.7.0_45]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1.7.0_45]
	at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.7.0_45]
	at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:292) ~[spigot.jar:git-Spigot-1487]
	... 25 more
[16:43:08] [Server thread/INFO]: ShadowCrafter829 issued server command: /deop ShadowCrafter829