java.lang.IllegalArgumentException: The following file couldn't pass on Parser.
plugins\GroupManager\worlds\world\groups.yml
	at org.anjocaido.groupmanager.dataholder.WorldDataHolder.loadGroups(WorldDataHolder.java:493)
	at org.anjocaido.groupmanager.dataholder.WorldDataHolder.loadGroups(WorldDataHolder.java:413)
	at org.anjocaido.groupmanager.dataholder.worlds.WorldsHolder.loadWorld(WorldsHolder.java:615)
	at org.anjocaido.groupmanager.dataholder.worlds.WorldsHolder.loadWorld(WorldsHolder.java:577)
	at org.anjocaido.groupmanager.dataholder.worlds.WorldsHolder.initialWorldLoading(WorldsHolder.java:89)
	at org.anjocaido.groupmanager.dataholder.worlds.WorldsHolder.initialLoad(WorldsHolder.java:79)
	at org.anjocaido.groupmanager.dataholder.worlds.WorldsHolder.resetWorldsHolder(WorldsHolder.java:71)
	at org.anjocaido.groupmanager.dataholder.worlds.WorldsHolder.<init>(WorldsHolder.java:60)
	at org.anjocaido.groupmanager.GroupManager.onEnable(GroupManager.java:161)
	at org.anjocaido.groupmanager.GroupManager.onEnable(GroupManager.java:85)
	at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:217)
	at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader.java:337)
	at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:381)
	at org.bukkit.craftbukkit.CraftServer.loadPlugin(CraftServer.java:257)
	at org.bukkit.craftbukkit.CraftServer.enablePlugins(CraftServer.java:239)
	at net.minecraft.server.MinecraftServer.t(MinecraftServer.java:373)
	at net.minecraft.server.MinecraftServer.a(MinecraftServer.java:360)
	at net.minecraft.server.MinecraftServer.init(MinecraftServer.java:189)
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:424)
	at net.minecraft.server.ThreadServerApplication.run(SourceFile:492)
Caused by: while parsing a block mapping
 in "<reader>", line 10, column 3:
      Default:
      ^
expected <block end>, but found BlockMappingStart
 in "<reader>", line 79, column 4:
       Owner:
       ^

	at org.yaml.snakeyaml.parser.ParserImpl$ParseBlockMappingKey.produce(ParserImpl.java:575)
	at org.yaml.snakeyaml.parser.ParserImpl.peekEvent(ParserImpl.java:161)
	at org.yaml.snakeyaml.parser.ParserImpl.checkEvent(ParserImpl.java:146)
	at org.yaml.snakeyaml.composer.Composer.composeMappingNode(Composer.java:230)
	at org.yaml.snakeyaml.composer.Composer.composeNode(Composer.java:160)
	at org.yaml.snakeyaml.composer.Composer.composeMappingNode(Composer.java:237)
	at org.yaml.snakeyaml.composer.Composer.composeNode(Composer.java:160)
	at org.yaml.snakeyaml.composer.Composer.composeDocument(Composer.java:123)
	at org.yaml.snakeyaml.composer.Composer.getSingleNode(Composer.java:106)
	at org.yaml.snakeyaml.constructor.BaseConstructor.getSingleData(BaseConstructor.java:121)
	at org.yaml.snakeyaml.Yaml.loadFromReader(Yaml.java:480)
	at org.yaml.snakeyaml.Yaml.load(Yaml.java:423)
	at org.anjocaido.groupmanager.dataholder.WorldDataHolder.loadGroups(WorldDataHolder.java:488)
	... 19 more

============================================================================

2012-08-02 22-34
=============================== GM ERROR LOG ===============================

java.lang.NullPointerException
	at org.anjocaido.groupmanager.GroupManager.onEnable(GroupManager.java:163)
	at org.anjocaido.groupmanager.GroupManager.onCommand(GroupManager.java:1702)
	at org.bukkit.command.PluginCommand.execute(PluginCommand.java:40)
	at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:166)
	at org.bukkit.craftbukkit.CraftServer.dispatchCommand(CraftServer.java:484)
	at org.bukkit.craftbukkit.CraftServer.dispatchServerCommand(CraftServer.java:480)
	at net.minecraft.server.MinecraftServer.b(MinecraftServer.java:604)
	at net.minecraft.server.MinecraftServer.w(MinecraftServer.java:573)
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:451)
	at net.minecraft.server.ThreadServerApplication.run(SourceFile:492)