Essentials Group Manager- Error Null?

Ok, so first I started using Permissions. That didn't work out at all. I couldn't even set it up even though I know how. (If you know Permissions, check out my other post asking about that.) Now I tried to use Essentials Group Manager. First everything was fine, and then I configured the groups.yml file. All I did was change some groups' names and and another group. After I changed them, I also remembered to change the groups in inheritance and in the users.yml file. So, I thought I was good and ready to go... until I started my server and this showed up...

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Code:

2011-08-21 08:08:37 [SEVERE] Error occurred while enabling GroupManager v1.0(alpha-5) [Zombie-Version, please switch to Permissions 3] (Is it up to date?): null
java.lang.NullPointerException
	at org.anjocaido.groupmanager.dataholder.WorldDataHolder.load(WorldDataHolder.java:579)
	at org.anjocaido.groupmanager.dataholder.worlds.WorldsHolder.loadWorld(WorldsHolder.java:358)
	at org.anjocaido.groupmanager.dataholder.worlds.WorldsHolder.initialWorldLoading(WorldsHolder.java:68)
	at org.anjocaido.groupmanager.dataholder.worlds.WorldsHolder.initialLoad(WorldsHolder.java:63)
	at org.anjocaido.groupmanager.dataholder.worlds.WorldsHolder.<init>(WorldsHolder.java:56)
	at org.anjocaido.groupmanager.GroupManager.onEnable(GroupManager.java:75)
	at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:126)
	at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader.java:878)
	at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:272)
	at org.bukkit.craftbukkit.CraftServer.loadPlugin(CraftServer.java:162)
	at org.bukkit.craftbukkit.CraftServer.enablePlugins(CraftServer.java:146)
	at net.minecraft.server.MinecraftServer.e(MinecraftServer.java:284)
	at net.minecraft.server.MinecraftServer.a(MinecraftServer.java:271)
	at net.minecraft.server.MinecraftServer.init(MinecraftServer.java:148)
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:335)
	at net.minecraft.server.ThreadServerApplication.run(SourceFile:422)

After that showed up, I thought it was all still okay but then I went into my server and I cannot use ANY commands! When I do /help or /anything, it just says Error: Null or something like that! And then when I stop my server, this comes up...

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Code:

2011-08-21 08:09:24 [SEVERE] java.lang.NullPointerException
2011-08-21 08:09:24 [SEVERE] 	at org.anjocaido.groupmanager.permissions.NijikoPermissionsProxy.inGroup(NijikoPermissionsProxy.java:275)
2011-08-21 08:09:24 [SEVERE] 	at com.sk89q.bukkit.migration.NijiPermissionsResolver.inGroup(NijiPermissionsResolver.java:77)
2011-08-21 08:09:24 [SEVERE] 	at com.sk89q.bukkit.migration.PermissionsResolverManager.inGroup(PermissionsResolverManager.java:106)
2011-08-21 08:09:24 [SEVERE] 	at com.sk89q.worldguard.bukkit.WorldGuardPlugin.inGroup(WorldGuardPlugin.java:250)
2011-08-21 08:09:24 [SEVERE] 	at com.sk89q.worldguard.bukkit.WorldGuardPlayerListener.onPlayerJoin(WorldGuardPlayerListener.java:168)
2011-08-21 08:09:24 [SEVERE] 	at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:244)
2011-08-21 08:09:24 [SEVERE] 	at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:58)
2011-08-21 08:09:24 [SEVERE] 	at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:332)
2011-08-21 08:09:24 [SEVERE] 	at net.minecraft.server.ServerConfigurationManager.c(ServerConfigurationManager.java:124)
2011-08-21 08:09:24 [SEVERE] 	at net.minecraft.server.NetLoginHandler.b(NetLoginHandler.java:97)
2011-08-21 08:09:24 [SEVERE] 	at net.minecraft.server.NetLoginHandler.a(NetLoginHandler.java:33)
2011-08-21 08:09:24 [SEVERE] 	at net.minecraft.server.NetworkListenThread.a(SourceFile:91)
2011-08-21 08:09:24 [SEVERE] 	at net.minecraft.server.MinecraftServer.h(MinecraftServer.java:451)
2011-08-21 08:09:24 [SEVERE] 	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:361)
2011-08-21 08:09:24 [SEVERE] 	at net.minecraft.server.ThreadServerApplication.run(SourceFile:422)
2011-08-21 08:09:24 [SEVERE] java.lang.NullPointerException
2011-08-21 08:09:24 [SEVERE] 	at org.anjocaido.groupmanager.permissions.NijikoPermissionsProxy.inGroup(NijikoPermissionsProxy.java:275)
2011-08-21 08:09:24 [SEVERE] 	at com.sk89q.bukkit.migration.NijiPermissionsResolver.inGroup(NijiPermissionsResolver.java:77)
2011-08-21 08:09:24 [SEVERE] 	at com.sk89q.bukkit.migration.PermissionsResolverManager.inGroup(PermissionsResolverManager.java:106)
2011-08-21 08:09:24 [SEVERE] 	at com.sk89q.worldguard.bukkit.WorldGuardPlugin.inGroup(WorldGuardPlugin.java:250)
2011-08-21 08:09:24 [SEVERE] 	at com.sk89q.worldguard.bukkit.WorldGuardPlayerListener.onPlayerJoin(WorldGuardPlayerListener.java:173)
2011-08-21 08:09:24 [SEVERE] 	at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:244)
2011-08-21 08:09:24 [SEVERE] 	at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:58)
2011-08-21 08:09:24 [SEVERE] 	at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:332)
2011-08-21 08:09:24 [SEVERE] 	at net.minecraft.server.ServerConfigurationManager.c(ServerConfigurationManager.java:124)
2011-08-21 08:09:24 [SEVERE] 	at net.minecraft.server.NetLoginHandler.b(NetLoginHandler.java:97)
2011-08-21 08:09:24 [SEVERE] 	at net.minecraft.server.NetLoginHandler.a(NetLoginHandler.java:33)
2011-08-21 08:09:24 [SEVERE] 	at net.minecraft.server.NetworkListenThread.a(SourceFile:91)
2011-08-21 08:09:24 [SEVERE] 	at net.minecraft.server.MinecraftServer.h(MinecraftServer.java:451)
2011-08-21 08:09:24 [SEVERE] 	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:361)
2011-08-21 08:09:24 [SEVERE] 	at net.minecraft.server.ThreadServerApplication.run(SourceFile:422)
2011-08-21 08:09:29 [INFO] [PLAYER_COMMAND] oreomarshi: /help
2011-08-21 08:09:31 [INFO] [PLAYER_COMMAND] oreomarshi: /help
2011-08-21 08:09:34 [SEVERE] null
org.bukkit.command.CommandException: Unhandled exception executing command 'manuadd' in plugin GroupManager v1.0(alpha-5) [Zombie-Version, please switch to Permissions 3]
	at org.bukkit.command.PluginCommand.execute(PluginCommand.java:37)
	at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:129)
	at org.bukkit.craftbukkit.CraftServer.dispatchCommand(CraftServer.java:320)
	at net.minecraft.server.NetServerHandler.handleCommand(NetServerHandler.java:713)
	at net.minecraft.server.NetServerHandler.chat(NetServerHandler.java:677)
	at net.minecraft.server.NetServerHandler.a(NetServerHandler.java:670)
	at net.minecraft.server.Packet3Chat.a(Packet3Chat.java:33)
	at net.minecraft.server.NetworkManager.b(NetworkManager.java:226)
	at net.minecraft.server.NetServerHandler.a(NetServerHandler.java:85)
	at net.minecraft.server.NetworkListenThread.a(SourceFile:105)
	at net.minecraft.server.MinecraftServer.h(MinecraftServer.java:451)
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:361)
	at net.minecraft.server.ThreadServerApplication.run(SourceFile:422)
Caused by: java.lang.NullPointerException
	at org.anjocaido.groupmanager.GroupManager.onCommand(GroupManager.java:205)
	at org.bukkit.command.PluginCommand.execute(PluginCommand.java:35)
	... 12 more

If anyone knows why it's doing this, then please tell me why and what I can do to fix it! I would really appreciate it if you took your time and helped. Thanks in advanced!

Can't anyone help me?

EDIT by Moderator: merged posts, please use the edit button instead of double posting.

 

Full list of plugins, your bukkit version, and your groups.yml in code brackets please..

 

Delete Groups.yml
Reload server, Open groups.yml
Edit the default config

GroupManager isn't supported for Bukkit build #1060
Wait for GM+

Or switch to a new Permissions plugin.

GroupManager+
Topic
http://forums.bukkit.org/threads/groupmanager.32909/

EDIT by Moderator: merged posts, please use the edit button instead of double posting.

 

Cool Thanks

 

Did it work?!

 

I'm having the same problem. If you are renting a server it's probably because you're going over your limit, and the server is not reading over the limited usage. If you are not renting a server, it could be a similar problem, so make sure you are giving 'CraftBukkit Starter' enough ram. Again, I am no experienced server owner, but these are just my ideas.

 

Hello, I understand your problem, I listened to Mrchasez, and I knew what I did wrong instantly, I edited the groups.yml first, I believe thats what you did? You must edit the global groups, edit the default groups and put the -essentials.whatever then use gthing you used) and paste that into inheritance in the groups.yml and then it shall work, if not, please contact me for more help. It's not a hosting/ram problem, just a simple minor mistake, the manager is one of the hardest plugins to set up.

 

When I run my server, I try to add myself to 'Owner' group, but it says 'an internal error occurred while running this command. Then I use /manload and Console says the error message was simply null. I don't know if this is the same problem, but I think they're almost the same.

 

I get this problem when users try to do /sethome D: halllp pls