Error:
Caused by: java.lang.IllegalArgumentException: The following file couldn't pass
on Parser.
plugins\GroupManager\worlds\world\groups.yml
at org.anjocaido.groupmanager.dataholder.WorldDataHol der.loadGroups(Worl
dDataHolder.java:497)
at org.anjocaido.groupmanager.dataholder.WorldDataHol der.loadGroups(Worl
dDataHolder.java:417)
at org.anjocaido.groupmanager.dataholder.worlds.World sHolder.loadWorld(W
orldsHolder.java:629)
at org.anjocaido.groupmanager.dataholder.worlds.World sHolder.loadWorld(W
orldsHolder.java:591)
at org.anjocaido.groupmanager.dataholder.worlds.World sHolder.initialWorl
dLoading(WorldsHolder.java:88)
at org.anjocaido.groupmanager.dataholder.worlds.World sHolder.initialLoad
(WorldsHolder.java:78)
at org.anjocaido.groupmanager.dataholder.worlds.World sHolder.resetWorlds
Holder(WorldsHolder.java:70)
at org.anjocaido.groupmanager.dataholder.worlds.World sHolder.<init>(Worl
dsHolder.java:59)
at org.anjocaido.groupmanager.GroupManager.onEnable(G roupManager.java:16
3)
... 12 more
how to fix?