Help setting up my bukkit server commands

Hi this is Slime,
I really need help with setting up my server permissions! I am currently using group manager and is having trouble promoting and also I cant see the ranks I give. here is a example of my config:


groups:
Default:
default: true
permissions:
- essentials.help
- essentials.help.*
- -essentials.help.factions
- essentials.helpop
- essentials.list
- essentials.motd
- essentials.rules
- essentials.spawn
- essentials.eco
- essentials.clearinventory
- essentials.suicide
- essentials.afk
inheritance: []
info:
prefix: '&e'
build: false
suffix: ''
Builder:
default: false
permissions:
- essentials.home
- essentials.me
- essentials.msg
- essentials.sethome
- essentials.warp
- essentials.pay
- essentials.back
- essentials.back.ondeath
- essentials.tpa
- essentials.tpaccept
- essentials.tpdeny
- essentials.warp.[warpname]
- essentials.kit.[kitname]
- essentials.kit
- essentials.delhome
- essentials.time
- essentials.balance
- essentials.balance.others
- essentials.afk
inheritance:
- default
info:
prefix: '&2'
build: true
suffix: ''
Trusted:
default: false
permissions:
- essentials.kick
- essentials.god
- essentials.heal
- essentials.repair
- essentials.repair.armor
- essentials.repair.enchanted
- essentials.fly
- essentials.nick
- essentials.nick.color
inheritance:
- builder
info:
prefix: '&9'
build: true
suffix: ''
Mod:
default: false
permissions:
- essentials.gamemode
- essentials.give
- essentials.give.item-<itemname>
- essentials.give.item-[itemid]
- essentials.kit.*
- essentials.time
- essentials.time.set
- essentials.nick.others
- essentials.spawner.*
- essentials.whois
- essentials.list.hidden
- essentials.ext
- essentials.mute
- essentials.tempban
- essentials.tempban.offline
- essentials.vanish
- essentials.list.hidden
- essentials.teleport.hidden
- essentials.vanish.see
- essentials.tp
- essentials.weather
- essentials.sell
inheritance:
- trusted
info:
prefix: '&c'
build: true
suffix: ''
Admin:
default: false
permissions:
- essentials.time.set
- essentials.ban
- essentials.ban.notify
- essentials.ban.offline
- essentials.spawnmob.*
- essentials.unban
- essentials.enchant
- essentials.enchant.[enchantmentname]
- essentials.exp
- essentials.exp.set
- essentials.exp.give
- essentials.feed
- essentials.feed.others
- essentials.more
inheritance:
- mod
info:
prefix: '&3'
build: true
suffix: ''
Co-Owner:
default: false
permissions:
- '*'
inheritance:
- admin
info:
prefix: '&5'
build: true
suffix: ''
Owner:
default: false
permissions:
- '*'
inheritance:
- co-owner
info:
prefix: '%6'
build: true
suffix: ''


Ya. that is what I wrote then i try doing /manload then it 1st: wont load 2nd: gives me errors.
The ranks i would like is the ones listed above:
Default
Builder
Trusted
Mod
Admin
Co-owner
Owner

Here is a list of my plugins if needed:
worldwarp
worldedit
worldguard
groupmanager
essentials
chestshop
iconomy
citizens
autosaveworld
lwc
factions
nocheatplus
orefuscator

I really need help! or you can tell me what is the problem and why it wont load my groups!
My email is peankey.sneaky@gmail.com
reach me through my planet minecraft email or the one listed above thanks!!!!