java.lang.IllegalArgumentException: The following file couldn't pass on Parser.
plugins/GroupManager/worlds/world/groups.yml
	at org.anjocaido.groupmanager.GroupManager.onEnable(GroupManager.java:230)
	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:374)
	at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:381)
	at org.bukkit.craftbukkit.CraftServer.loadPlugin(CraftServer.java:272)
	at org.bukkit.craftbukkit.CraftServer.enablePlugins(CraftServer.java:254)
	at net.minecraft.server.MinecraftServer.j(MinecraftServer.java:320)
	at net.minecraft.server.MinecraftServer.e(MinecraftServer.java:299)
	at net.minecraft.server.MinecraftServer.a(MinecraftServer.java:258)
	at net.minecraft.server.DedicatedServer.init(DedicatedServer.java:141)
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:400)
	at net.minecraft.server.ThreadServerApplication.run(SourceFile:818)
Caused by: 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:497)
	at org.anjocaido.groupmanager.dataholder.WorldDataHolder.loadGroups(WorldDataHolder.java:417)
	at org.anjocaido.groupmanager.dataholder.worlds.WorldsHolder.loadWorld(WorldsHolder.java:629)
	at org.anjocaido.groupmanager.dataholder.worlds.WorldsHolder.loadWorld(WorldsHolder.java:591)
	at org.anjocaido.groupmanager.dataholder.worlds.WorldsHolder.initialWorldLoading(WorldsHolder.java:88)
	at org.anjocaido.groupmanager.dataholder.worlds.WorldsHolder.initialLoad(WorldsHolder.java:78)
	at org.anjocaido.groupmanager.dataholder.worlds.WorldsHolder.resetWorldsHolder(WorldsHolder.java:70)
	at org.anjocaido.groupmanager.dataholder.worlds.WorldsHolder.<init>(WorldsHolder.java:59)
	at org.anjocaido.groupmanager.GroupManager.onEnable(GroupManager.java:161)
	... 12 more
Caused by: while parsing a block mapping
 in "<reader>", line 11, column 1:
    groups:
    ^
expected <block end>, but found BlockMappingStart
 in "<reader>", line 109, column 2:
     default: true
     ^

	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.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:492)
	... 20 more