Bukkit

Describe to us the issue that you're having:

Which steps will reproduce this problem?:
1) I'm sure that i have set up everything correctly

Do you have an error log of what happened?

The only strange things is this:

[INFO] While loading bPermissions (plugins/bpermissions.jar) found old-data folder: plugins/bpermissions next to the new one: plugins/bPermissions

Which version of bPermissions are you using?:  v2.11.2

Which version of CraftBukkit?:  1.5.2-R0.1

Which OS? Mac OS X 10.6.8

Any other information we may need (plugins, configs, etc):

Plugins: bPermissions, Towny, Buycraft, Light Weight Back, Vault, Lockette, Modos, mcMMO, MoneyDrop, HomeSpawnPlus, CrazyCore, QuickShop, Jobs, Fe, CreativeControl, DragonTravel, OnTime, Sign Bank, CrazyLogin

Config: http://pastebin.com/tWYRX2GF

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I remove other plugins, delete bpermssions folder and the error doesn't appear, but if i restart my server the error come out again.