Bukkit

What steps will reproduce the problem?
1.Whenever I add a prefix to a group, the colour codes would show
2. Unless I type the groups in manually in-game (bPermissions), it'll appear weirdly
3. Whenever I restart the server

What is the expected output? What do you see instead?

I expect just a plain rank

What version of the product are you using?

bChatManager-3.1.1.jar
bPermissions 1.6.4

http://postimg.org/image/6hg8mniw9/

Please provide any additional information below.

This is what it looks like

http://postimg.org/image/6hg8mniw9/