Planet Minecraft

my server was running smoothly but then i started getting loads of error messages here is my yml permissions what did i do wrong?

groups:

Stone:
prefix: '&7[Stone]&f'
permissions:
- essentials.back
- essentials.tpa.*
- lockette.user.create*
- essentials.tpa
- essentials.tpahere
- lockette.user.create*
- essentials.spawn
- essentials.home
- essentials.sethome
- essentials.delhome
- factions.finvite
- factions.fkick
- factions.fclaim
- factions.funclaim
- factions.fmod
- factions.disband
- factions.fadmin
- essentials.warp
- essentials.setwarp
- essentials.warps
- factions.sethome
worlds:
world: {}
Coal:
prefix: '&8[Coal]&f'
permissions:
- essentials.tpa.*
- essentials.back
- lockette.user.create*
- essentials.tpa
- essentials.tpahere
- lockette.user.create*
- essentials.spawn
- essentials.home
- essentials.sethome
- essentials.delhome
- factions.finvite
- factions.fkick
- factions.fclaim
- factions.funclaim
- factions.fmod
- factions.disband
- factions.fadmin
- essentials.warp
- essentials.setwarp
- essentials.warps
- factions.sethome
worlds:
world: {}
Iron:
prefix: '&e[Iron]&f'
permissions:
- essentials.tpa.*
- essentials.back
- essentials.tpa
- essentials.tpahere
- mobdisguise.*
- lockette.user.create*
- essentials.spawn
- essentials.home
- essentials.sethome
- essentials.delhome
- factions.finvite
- factions.fkick
- factions.fclaim
- factions.funclaim
- factions.fmod
- factions.disband
- factions.fadmin
- essentials.warp
- essentials.setwarp
- essentials.warps
- factions.sethome
worlds:
world: {}
Gold:
prefix: '&6[Gold]&f'
permissions:
- essentials.tpa.*
- essentials.back
- essentials.tpa
- essentials.tpahere
- essentials.fly
- mobdisguise.*
- essentials.spawn
- essentials.home
- essentials.sethome
- essentials.delhome
- factions.finvite
- factions.fkick
- factions.fclaim
- factions.funclaim
- factions.fmod
- factions.disband
- factions.fadmin
- essentials.warp
- essentials.setwarp
- essentials.warps
- factions.sethome
- essentials.fly
worlds:
world: {}
Diamond:
prefix: '&b[Diamond]&f'
permissions:
- falsebook.anyic
- essentials.back
- essentials.tpa
- essentials.tpahere
- falsebook.*
- mobdisguise.*
- essentials.spawn
- essentials.home
- essentials.sethome
- essentials.delhome
- factions.finvite
- factions.fkick
- factions.fclaim
- factions.funclaim
- factions.fmod
- factions.disband
- factions.fadmin
- essentials.warp
- essentials.setwarp
- essentials.warps
- factions.sethome
- essentials.fly
- falsebook.blocks,*
worlds:
world:
default: false
Emerald:
prefix: '&a[Owner]&a'
permissions:
- essentials.back
- essentials.tpa
- essentials.tpahere
- falsebook.*
- mobdisguise.*
- essentials.spawn
- essentials.home
- essentials.sethome
- essentials.delhome
- factions.finvite
- factions.fkick
- factions.fclaim
- factions.funclaim
- factions.fmod
- factions.disband
- factions.fadmin
- essentials.warp
- essentials.setwarp
- essentials.warps
- factions.sethome
- essentials.fly
- pex.*
- buycraft.admin
- permissions.*
worlds:
world: {}
Bedrock:
prefix: '&8[&7B&8e&7d&8r&7o&8c&7k]&a'
permissions:
- essentials.tpa.*
- falsebook.anyic
- essentials.back
- essentials.socialspy
- essentials.invsee
- essentials.tpa
- essentials.tpahere
- falsebook.*
- mobdisguise.*
- essentials.spawn
- essentials.home
- essentials.sethome
- essentials.delhome
- factions.finvite
- factions.fkick
- factions.fclaim
- factions.funclaim
- factions.fmod
- factions.disband
- factions.fadmin
- essentials.warp
- essentials.setwarp
- essentials.warps
- factions.sethome
- essentials.fly
- falsebook.blocks.*
worlds:
world: {}
Ninja:
prefix: '&a[Moderator]&b'
permissions:
- essentials.ban
- essentials.jail.cell1
- essentials.kick
- essentials.unban
- essentials.fly
- essentials.back
- essentials.socialspy
- essentials.invsee
- essentials.tpa
- essentials.tpahere
- falsebook.*
- mobdisguise.*
- essentials.spawn
- essentials.home
- essentials.sethome
- essentials.delhome
- factions.finvite
- factions.fkick
- factions.fclaim
- factions.funclaim
- factions.fmod
- factions.disband
- factions.fadmin
- essentials.warp
- essentials.setwarp
- essentials.warps
- factions.sethome
- essentials.fly
- falsebook.anyic
- falsebook.blocks,*
- permissions.*
worlds:
world: {}