I need help with PEX .yml

Here it is:
groups:
Guest:
default: true
permissions:
- modifyworld.*
- essentials.rules
- essentials.help
- essentials.pay
- essentials.balance
- essentials.tell
- essentials.sell
- essentials.who
- essentials.afk
- essentials.list
- essentials.msg
- essentials.warp.list
- essentials.warp
- essentials.helpop
- essentials.motd
- essentials.spawn
- essentials.home
- essentials.tpa
- essentials.tpahere
- essentials.tpaccept
- essentials.home
- essentials.sethome
- essentials.sethome
- iConomy.payment
- iConomy.holdings
- iConomy.holdings.others
- iConomy.sell
- factions.join
- factions.create
- factions.disband
- factions.leave
- factions.help
- factions.title
- factions.relation
- factions.who
- factions.admin
- factions.power
- factions.claim
- factions.unclaim
- factions.description
- factions.mod
- factions.list
- factions.home
- factions.sethome
- factions.unclaimall
- factions.kick
- factions.invite
- factions.map
- factions.show
- factions.disband
- factions.chat
- lwc.protect
- mcmmo.ability.*
- mcmmo.skills.*
- ChestShop.buy
- ChestShop.sell
- essentials.signs.use.buy
- essentials.signs.use.sell
prefix: '&f[&1Guest&f] &r'
options:
build: true
Helper:
permissions:
- maxbans.lockdown.bypass
inheritance:
- Moderator
prefix: '&0[&5Helper&r&0]&r '
Moderator:
permissions:
- disguisecraft.*
- essentials.tp
- essentials.heal
- essentials.feed
- essentials.clearinventory
- essentials.eco.loan
- essentials.ext
- essentials.getpos
- essentials.helpop.recieve
- essentials.home.others
- essentials.invsee
- essentials.jails
- essentials.jump
- essentials.kick
- essentials.kick.notify
- essentials.mute
- essentials.realname
- essentials.signs.create.*
- essentials.signs.break.*
- essentials.time
- essentials.protect.alerts
- essentials.protect.admin
- essentials.protect.ownerinfo
- essentials.togglejail
- essentials.top
- essentials.whois
- essentials.gamemode
- worldedit.*
- essentials.god
- essentials.fly
- maxbans.mute
- maxbans.tempmute
- essentials.mute
inheritance:
- Guest
- Dev
prefix: '&0[&6Mod&0] &r '
options:
build: true
Admin:
permissions:
- worldedit.*
- essentials.gamemode
- essentials.tp
- essentials.ban
- essentials.god
- essentials.invsee
- essentials.kick
- essentials.banip
- essentials.tempban
- maxbans.tempban
- worldedit.*
- pex.user
- pex.group
- maxbans.mute
- maxbans.tempmute
inheritance:
- Guest
- Moderator
- Dev
prefix: '&0[&4&lAdmin&0]&r '
options:
build: true
Owner:
permissions:
- '*'
- bcombatlog.ignore
- maxbans.*
inheritance:
- admin
- Dev
- Head-Admin
prefix: '&0[&6&lOwner&0]&r'
options:
build: true
Head-Mod:
permissions:
- maxbans.kick
- maxbans.tempban
- maxbans.banip
inheritance:
- Dev
- Moderator
- Guest
prefix: '&0[&a&lHead7r&0-&6Mod&0]7r '
Donor:
permissions:
- essentials.kits.Donor
- essentials.kit
inheritance:
- Guest
prefix: '[&fDonor&r]'
options:
build: true
Dev:
permissions:
- maxbans.lockdown.bypass
- maxbans.kick
- maxbans.tempban
- maxbans.mute
- maxbans.unmute
- maxbans.notify
- maxbans.history
- maxbans.warn
- maxbans.checkban
- maxbans.tempmute
- maxbans.tempipban
- essentials.feed
- essentials.heal
- essentials.gamemode.others
- essentials.gamemode
- essentials.fly
- essentials.exp
- essentials.exp.give
- essentials.give
- essentials.heal.others
- essentials.heal.cooldown.bypass
- essentials.item
- essentials.kit
- essentials.kit.*
- essentials.more
- essentials.time
- essentials.speed
- essentials.speed.fly
- essentials.balance
- essentials.pay
- essentials.eco.loan
- essentials.afk.auto
- essentials.afk
- essentials.help
- essentials.plugins
- essentials.helpop.receive
- essentials.ignore
- essentials.info
- essentials.spawn
- essentials.list
- essentials.msg
- essentials.msg.color
- essentials.nick
- essentials.nick.color
- essentials.powertool
- essentials.realname
- essentials.rules
- essentials.seen
- essentials.seen.extra
- essentials.seen.banreason
- essentials.spawner.*
- essentials.whois
- essentials.burn
- essentials.clearinventory
- essentials.enderchest
- essentials.enderchest.others
- essentials.killall
- essentials.kill
- essentials.lightning
- essentials.ping
- essentials.spawnmob.*
- essentials.ban.notify
- essentials.thunder
- essentials.vanish
- essentials.spawn.others
- essentials.back
- essentials.back.ondeath
- essentials.delhome
- essentials.home
- essentials.delhome
- essentials.jump
- essentials.sethome
- essentials.sethome.multiple
- essentials.tp
- essentials.tp.others
- essentials.tpa
- essentials.tpaccept
- essentials.tpadeny
- essentials.tpahere
- essentials.top
- essentials.tphere
- essentials.teleport.cooldown.bypass
- essentials.teleport.timer.bypass
- essentials.warp
- essentials.warp.list
- essentials.warps.*
- essentials.build
- essentials.chat.color
- essentials.chat.magic
- essentials.chat.format
- essentials.signs.color
- essentials.signs.create.buy
- essentials.signs.create.sell
- essentials.signs.create.warp
- essentials.signs.magic
- essentials.signs.use.buy
- essentials.signs.use.sell
- essentials.signs.use.kit
- essentials.signs.use.warp
- essentials.jails
- essentials.exp.set
inheritance:
- Guest
- Moderator
prefix: '&0[&4Developer&r&0]&r '
options:
build: true
Co-Owner:
permissions:
- '*'
- maxbans.*
inheritance:
- admin
prefix: '&0[&6&lCo&0&l-&4&lOwner&0]&r '
options:
build: true
Head-Admin:
permissions:
- essentials.*
- maxbans.lockdown.bypass
- maxbans.lockdown.use
- maxbans.kick
- maxbans.ban
- maxbans.notify
inheritance:
- admin
- Dev
- Moderator
prefix: ' &0[&6&lHead-Admin&r&0]&r '
options:
build: true
user:
permissions:
- Bearon10
group:
- Head-Admin
users:
alexchasemand1:
group:
- Owner
MangoMadness22:
group:
- Co-Owner
ViporVenom97:
group:
- Co-Owner
ava4465:
group:
- Co-Owner
worlds:
Owner:
group:
- '0'
Bearon10:
group:
- Head-Admin
CaptainEKS:
group:
- Moderator
edurbin:
group:
- Donor