Bukkit

Whenever I add a new wand the plugin will break  then when i erstart my server the config will reset itsself. Even if all i do is run the default config through a YAML parser. I've been trying to edit the config for 2 hours and this keeps happening. Incase you wanted to know these are the wands im trying to create. This isn;t the format im usign ofcourse, but im not willing to type out the whole format again. So heres the plan for the wands im trying to make ( This isn't the format im using ) incase its something to do with the spell combinations.
Earth wand :
1 - Life
2 - Web
3 - Animal
4 - gills
5 - Poisonarrow
6 - Acid Rain
7 - Sludge Rain
8 - Eartharrow

Fire Wand:
1 - Fire
2 - firebolt
3 - firearrow
4 - Combust
5 - Nova
6 - meteor
7 - fireresist
8 - Sunslash
9 - Erupt

Ice Wand:
1 - Freezearrow
2 - blizzard
3 - Icearrow

Phychich Wand:
1 - Delude
2 - Fling
3 - arrowshower
4 - Return
5 - Flash
6 - Restrict
7 - Push
8 - Web
9 - nofall
10 -Shift

Lightning Wand:
1 - electricarrow
2 - volt
3 - Storm
4 - Lightning
5 - stormtrap
6 - Rapidstormarrows

Dark Wand:
1 - Horde
2 - leach
3 - Moonblade
4 - Darkness
5 - Deflect
6 - tomb