Big Problem with Permission

Hey Guys,

i have a big problem .
i have a public server with lots of plugins..
and of course permission too.
so permisson doesn`t work alwasy when a member lay a block down a error message came with you dont have permisson for to this. okay this is not so bad
but the member can lay down this block and the error message came.
also in the settings are came a error message with:
groups:



[WARNING] Missing a prefix or suffix for default






Gast:
default: true
info:
prefix: '[Gast] '
suffix: ''
build: false
inheritance:
permissions:
- 'general.spawn'
- 'lwc.blockinventory'
Bewohner:
default: false
info:
prefix: '&2[Bewohner]&f'
suffix: ''
build: true
inheritance:
permissions:
- 'general.spawn'
- 'elevators.builder'
- 'iConomy.payment'
- 'iConomy.list'
- 'iConomy.rank'
- 'iConomyChestShop.shop.create'
- 'iConomyChestShop.shop.use'
- 'iConomyChestShop.shop.sell'
- 'essentials.setwarp'
- 'essentials.warp'
- 'essentials.delwarp'
- 'essentials.sethome'
- 'essentials.home'
- 'essentials.spawn'
- 'gastronomic.player.hunger'
- 'gastronomic.player.checkfood'
- 'gastronomic.player.checkhunger'
- 'lwc.protect'
- 'craftbook.mech.ammeter.use'
- 'craftbook.mech.bridge'
- 'craftbook.mech.elevator'
- 'craftbook.mech.gate'
Moderator:
default: false
info:
prefix: '&9[MOD]&f'
suffix: ''
build: true
inheritance:
permissions:
- 'general.time'
- 'general.teleport'
- 'general.teleport.here'
- 'general.player-info'
- 'general.player-info'
- 'essentials.getpos'
- 'essentials.top'
- 'essentials.back'
- 'essentials.back.ondeath'
- 'essentials.tp'
- 'essentials.tphere'
- 'essentials.tppos'
- 'essentials.sethome'
- 'essentials.home'
- 'essentials.setwarp'
- 'essentials.warp'
- 'essentials.delwarp'
- 'essentials.msg'
- 'essentials.afk'
- 'essentials.rules'
- 'essentials.motd'
- 'essentials.list'
- 'essentials.mail'
- 'essentials.mail.send'
- 'essentials.helpop'
- 'essentials.nick'
- 'essentials.clearinventory'
- 'essentials.mute'
- 'essentials.kick'
- 'essentials.tree'
- 'essentials.bigtree'
- 'essentials.spawn'
- 'essentials.time'
- 'essentials.compass'
- 'worldedit.superpickaxe.pickaxe'
- 'worldedit.superpickaxe.drawing.brush'
- 'worldedit.superpickaxe.tree'
- 'worldedit.fixwater'
- 'worldedit.fixlava'
- 'worldedit.butcher'
- 'worldedit.history.undo'
- 'worldedit.region.stack'
- 'worldedit.region.set'
- 'iConomyChestShop.shop.create'
- 'iConomyChestShop.shop.use'
- 'iConomyChestShop.shop.sell'
- 'lwc.protect'
- 'craftbook.mech.ammeter.use'
- 'craftbook.mech.bridge'
- 'craftbook.mech.elevator'
- 'craftbook.mech.gate'
- 'gastronomic.player.hunger'
- 'gastronomic.player.checkfood'
- 'gastronomic.player.checkhunger'
VIP:
default: false
info:
prefix: '&3[VIP]&f'
suffix: ''
build: true
inheritance:
permissions:
- 'general.spawn'
- 'elevators.builder'
- 'iConomy.payment'
- 'iConomy.list'
- 'iConomy.rank'
- 'iConomyChestShop.shop.create'
- 'iConomyChestShop.shop.use'
- 'iConomyChestShop.shop.sell'
- 'essentials.time'
- 'essentials.sethome'
- 'essentials.home'
- 'essentials.spawn'
- 'essentials.warp'
- 'essentials.setwarp'
- 'essentials.delwarp'
- 'essentials.compass'
- 'gastronomic.player.hunger'
- 'gastronomic.player.checkfood'
- 'gastronomic.player.checkhunger'
- 'lwc.protect'
- 'craftbook.mech.ammeter.use'
- 'craftbook.mech.bridge'
- 'craftbook.mech.elevator'
- 'craftbook.mech.gate'

Admins:
default: false
info:
prefix: '&6[Admin]&f'
suffix: ''
build: true
inheritance:
permissions:
- '*'

pls i need help ..
thanks for helping
and i hope you can read this because my english isent so good