bpermission error, HELP!!

2012-07-18 20:34:01 [INFO] [bPermissions] Loading world: world0
2012-07-18 20:34:01 [SEVERE] org.bukkit.configuration.InvalidConfigurationException: while parsing a block mapping
 in "<string>", line 1, column 1:
    default: Newbie
    ^
expected <block end>, but found BlockMappingStart
 in "<string>", line 2, column 2:
     :
     ^

2012-07-18 20:34:01 [SEVERE] 	at org.bukkit.configuration.file.YamlConfiguration.loadFromString(YamlConfiguration.java:55)
2012-07-18 20:34:01 [SEVERE] 	at org.bukkit.configuration.file.FileConfiguration.load(FileConfiguration.java:138)
2012-07-18 20:34:01 [SEVERE] 	at org.bukkit.configuration.file.FileConfiguration.load(FileConfiguration.java:105)
2012-07-18 20:34:01 [SEVERE] 	at de.bananaco.bpermissions.imp.YamlConfiguration.load(YamlConfiguration.java:17)
2012-07-18 20:34:01 [SEVERE] 	at de.bananaco.bpermissions.imp.YamlWorld.loadUnsafe(YamlWorld.java:123)
2012-07-18 20:34:01 [SEVERE] 	at de.bananaco.bpermissions.imp.YamlWorld.load(YamlWorld.java:91)
2012-07-18 20:34:01 [SEVERE] 	at de.bananaco.bpermissions.api.WorldManager.createWorld(WorldManager.java:135)
2012-07-18 20:34:01 [SEVERE] 	at de.bananaco.bpermissions.imp.WorldLoader.createWorld(WorldLoader.java:46)
2012-07-18 20:34:01 [SEVERE] 	at de.bananaco.bpermissions.imp.WorldLoader.<init>(WorldLoader.java:31)
2012-07-18 20:34:01 [SEVERE] 	at de.bananaco.bpermissions.imp.Permissions.onEnable(Permissions.java:79)