Permission essentials.warp give access to all warps

Hello, first, sorry for my bad english, i'm french. I was doing my permission on GroupManager, and when i tested the warp permission on my first rank (A) i found a problem, the permission "essentials.warp" give access to rank "A" to all the warp, here it is the list of permission :

Code (Text):

  A:
    default: true
    permissions:
    - chatformat.default
    - ushop.use
    - autosell.shop.shop
    - autosell.toggle
    - autosell.sellall
    - chestcommands.open.warps.yml
    - chestcommands.open.kits.yml
    - chestcommands.open.ranks.yml
    - chestcommands.open.vote.yml
    - -bukkit.command.help
    - auction.bid
    - auction.start
    - ChestShop.shop.buy
    - ChestShop.shop.create.*
    - ChestShop.shop.sell
    - essentials.kits.Daily
    - essentials.kits.Weekly
    - essentials.kits.Monthly
    - essentials.afk
    - essentials.bal
    - essentials.balance
    - essentials.balance.top
    - essentials.balancetop
    - essentials.build
    - essentials.ignore
    - essentials.kit
    - essentials.msg
    - essentials.pay
    - essentials.signs.repair
    - essentials.signs.use.buy
    - essentials.signs.use.free
    - essentials.signs.use.kit
    - essentials.signs.use.kits
    - essentials.signs.use.repair
    - essentials.signs.use.sell
    - essentials.signs.use.warp
    - essentials.spawn
    - essentials.warp.list
    - essentials.warp
    - essentials.warps.A
    - essentials.warps.arena
    - esssentials.signs.use.sell
    inheritance:
    - g:groupmanager_default
    - g:bukkit_default
    - g:essentials_default
    - g:towny_default
    info:
      prefix: '&f[&a&lA&f] &a'
      build: false
      suffix: ''

Hope you can help me :c