Problème groupe manager

Bonjour, après avoir modifié un rang avec group manager, je n'ai plus accès à aucune commande et les groupes n'existe plus dans les logs ça me met ça :

2014-03-04 02-29
=============================== GM ERROR LOG ===============================
= ERROR REPORT START - 2.0 (2.12.1) (Phoenix) =

java.lang.IllegalArgumentException: The following file couldn't pass on Parser.
plugins/GroupManager/worlds/equestria/groups.yml
at org.anjocaido.groupmanager.dataholder.WorldDataHolder.loadGroups(WorldDataHolder.java:496)
at org.anjocaido.groupmanager.dataholder.WorldDataHolder.loadGroups(WorldDataHolder.java:416)
at org.anjocaido.groupmanager.dataholder.worlds.WorldsHolder.loadWorld(WorldsHolder.java:678)
at org.anjocaido.groupmanager.dataholder.worlds.WorldsHolder.loadWorld(WorldsHolder.java:640)
at org.anjocaido.groupmanager.dataholder.worlds.WorldsHolder.initialWorldLoading(WorldsHolder.java:110)
at org.anjocaido.groupmanager.dataholder.worlds.WorldsHolder.initialLoad(WorldsHolder.java:100)
at org.anjocaido.groupmanager.dataholder.worlds.WorldsHolder.resetWorldsHolder(WorldsHolder.java:92)
at org.anjocaido.groupmanager.dataholder.worlds.WorldsHolder.<init>(WorldsHolder.java:59)
at org.anjocaido.groupmanager.GroupManager.onEnable(GroupManager.java:169)
at org.anjocaido.groupmanager.GroupManager.onEnable(GroupManager.java:93)
at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:250)
at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader.java:350)
at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:384)
at org.bukkit.craftbukkit.v1_7_R1.CraftServer.loadPlugin(CraftServer.java:298)
at org.bukkit.craftbukkit.v1_7_R1.CraftServer.enablePlugins(CraftServer.java:280)
at net.minecraft.server.v1_7_R1.MinecraftServer.m(MinecraftServer.java:342)
at net.minecraft.server.v1_7_R1.MinecraftServer.g(MinecraftServer.java:319)
at net.minecraft.server.v1_7_R1.MinecraftServer.a(MinecraftServer.java:275)
at net.minecraft.server.v1_7_R1.DedicatedServer.init(DedicatedServer.java:175)
at net.minecraft.server.v1_7_R1.MinecraftServer.run(MinecraftServer.java:424)
at net.minecraft.server.v1_7_R1.ThreadServerApplication.run(SourceFile:617)
Caused by: while scanning for the next token
found character '\t' that cannot start any token
in "<reader>", line 15, column 1:
- essentials.spawn
^

at org.yaml.snakeyaml.scanner.ScannerImpl.fetchMoreTokens(ScannerImpl.java:358)
at org.yaml.snakeyaml.scanner.ScannerImpl.checkToken(ScannerImpl.java:179)
at org.yaml.snakeyaml.parser.ParserImpl$ParseBlockMappingValue.produce(ParserImpl.java:591)
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.composeNode(Composer.java:133)
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.composeMappingNode(Composer.java:237)
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:491)
... 20 more

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

2014-03-04 02-31
=============================== GM ERROR LOG ===============================
= ERROR REPORT START - 2.0 (2.12.1) (Phoenix) =

java.lang.IllegalArgumentException: The following file couldn't pass on Parser.
plugins/GroupManager/worlds/equestria/groups.yml
at org.anjocaido.groupmanager.dataholder.WorldDataHolder.loadGroups(WorldDataHolder.java:496)
at org.anjocaido.groupmanager.dataholder.WorldDataHolder.loadGroups(WorldDataHolder.java:416)
at org.anjocaido.groupmanager.dataholder.worlds.WorldsHolder.loadWorld(WorldsHolder.java:678)
at org.anjocaido.groupmanager.dataholder.worlds.WorldsHolder.loadWorld(WorldsHolder.java:640)
at org.anjocaido.groupmanager.dataholder.worlds.WorldsHolder.initialWorldLoading(WorldsHolder.java:110)
at org.anjocaido.groupmanager.dataholder.worlds.WorldsHolder.initialLoad(WorldsHolder.java:100)
at org.anjocaido.groupmanager.dataholder.worlds.WorldsHolder.resetWorldsHolder(WorldsHolder.java:92)
at org.anjocaido.groupmanager.dataholder.worlds.WorldsHolder.<init>(WorldsHolder.java:59)
at org.anjocaido.groupmanager.GroupManager.onEnable(GroupManager.java:169)
at org.anjocaido.groupmanager.GroupManager.onEnable(GroupManager.java:93)
at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:250)
at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader.java:350)
at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:384)
at org.bukkit.craftbukkit.v1_7_R1.CraftServer.loadPlugin(CraftServer.java:298)
at org.bukkit.craftbukkit.v1_7_R1.CraftServer.enablePlugins(CraftServer.java:280)
at net.minecraft.server.v1_7_R1.MinecraftServer.m(MinecraftServer.java:342)
at net.minecraft.server.v1_7_R1.MinecraftServer.g(MinecraftServer.java:319)
at net.minecraft.server.v1_7_R1.MinecraftServer.a(MinecraftServer.java:275)
at net.minecraft.server.v1_7_R1.DedicatedServer.init(DedicatedServer.java:175)
at net.minecraft.server.v1_7_R1.MinecraftServer.run(MinecraftServer.java:424)
at net.minecraft.server.v1_7_R1.ThreadServerApplication.run(SourceFile:617)
Caused by: while scanning for the next token
found character '\t' that cannot start any token
in "<reader>", line 53, column 1:

^

at org.yaml.snakeyaml.scanner.ScannerImpl.fetchMoreTokens(ScannerImpl.java:358)
at org.yaml.snakeyaml.scanner.ScannerImpl.checkToken(ScannerImpl.java:179)
at org.yaml.snakeyaml.parser.ParserImpl$ParseBlockMappingValue.produce(ParserImpl.java:591)
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.composeNode(Composer.java:133)
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.composeMappingNode(Composer.java:237)
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:491)
... 20 more

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

2014-03-04 02-32
=============================== GM ERROR LOG ===============================
= ERROR REPORT START - 2.0 (2.12.1) (Phoenix) =

java.lang.NullPointerException
at org.anjocaido.groupmanager.GroupManager.onEnable(GroupManager.java:171)
at org.anjocaido.groupmanager.GroupManager.onCommand(GroupManager.java:1872)
at org.bukkit.command.PluginCommand.execute(PluginCommand.java:44)
at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:196)
at org.bukkit.craftbukkit.v1_7_R1.CraftServer.dispatchCommand(CraftServer.java:542)
at org.bukkit.craftbukkit.v1_7_R1.CraftServer.dispatchServerCommand(CraftServer.java:529)
at net.minecraft.server.v1_7_R1.DedicatedServer.aw(DedicatedServer.java:286)
at net.minecraft.server.v1_7_R1.DedicatedServer.u(DedicatedServer.java:251)
at net.minecraft.server.v1_7_R1.MinecraftServer.t(MinecraftServer.java:545)
at net.minecraft.server.v1_7_R1.MinecraftServer.run(MinecraftServer.java:457)
at net.minecraft.server.v1_7_R1.ThreadServerApplication.run(SourceFile:617)

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

2014-03-04 02-34
=============================== GM ERROR LOG ===============================
= ERROR REPORT START - 2.0 (2.12.1) (Phoenix) =

java.lang.IllegalArgumentException: The following file couldn't pass on Parser.
plugins/GroupManager/worlds/equestria/groups.yml
at org.anjocaido.groupmanager.dataholder.WorldDataHolder.loadGroups(WorldDataHolder.java:496)
at org.anjocaido.groupmanager.dataholder.WorldDataHolder.loadGroups(WorldDataHolder.java:416)
at org.anjocaido.groupmanager.dataholder.worlds.WorldsHolder.loadWorld(WorldsHolder.java:678)
at org.anjocaido.groupmanager.dataholder.worlds.WorldsHolder.loadWorld(WorldsHolder.java:640)
at org.anjocaido.groupmanager.dataholder.worlds.WorldsHolder.initialWorldLoading(WorldsHolder.java:110)
at org.anjocaido.groupmanager.dataholder.worlds.WorldsHolder.initialLoad(WorldsHolder.java:100)
at org.anjocaido.groupmanager.dataholder.worlds.WorldsHolder.resetWorldsHolder(WorldsHolder.java:92)
at org.anjocaido.groupmanager.dataholder.worlds.WorldsHolder.<init>(WorldsHolder.java:59)
at org.anjocaido.groupmanager.GroupManager.onEnable(GroupManager.java:169)
at org.anjocaido.groupmanager.GroupManager.onEnable(GroupManager.java:93)
at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:250)
at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader.java:350)
at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:384)
at org.bukkit.craftbukkit.v1_7_R1.CraftServer.loadPlugin(CraftServer.java:298)
at org.bukkit.craftbukkit.v1_7_R1.CraftServer.enablePlugins(CraftServer.java:280)
at net.minecraft.server.v1_7_R1.MinecraftServer.m(MinecraftServer.java:342)
at net.minecraft.server.v1_7_R1.MinecraftServer.g(MinecraftServer.java:319)
at net.minecraft.server.v1_7_R1.MinecraftServer.a(MinecraftServer.java:275)
at net.minecraft.server.v1_7_R1.DedicatedServer.init(DedicatedServer.java:175)
at net.minecraft.server.v1_7_R1.MinecraftServer.run(MinecraftServer.java:424)
at net.minecraft.server.v1_7_R1.ThreadServerApplication.run(SourceFile:617)
Caused by: while scanning for the next token
found character '\t' that cannot start any token
in "<reader>", line 53, column 1:

^

at org.yaml.snakeyaml.scanner.ScannerImpl.fetchMoreTokens(ScannerImpl.java:358)
at org.yaml.snakeyaml.scanner.ScannerImpl.checkToken(ScannerImpl.java:179)
at org.yaml.snakeyaml.parser.ParserImpl$ParseBlockMappingValue.produce(ParserImpl.java:591)
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.composeNode(Composer.java:133)
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.composeMappingNode(Composer.java:237)
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:491)
... 20 more

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



J'ai pourtant bien été rétablir les lignes où les erreurs étaient affichées mais rien ne change, j'ai besoin d'aide :/

Merci d'avance