Type of bug

Other unexpected behaviour

/ess dump all output

https://essentialsx.net/dump.html?id=5013129bb5e7438fa18e70a6440e4c4e

Error log (if applicable)

N/A

Bug description

Using the /nick off comand with the permissions above, gives an error. It should just remove the colored nickname.

Steps to reproduce

Have the following permissions:
essentials.nick
essentials.nick.changecolors
essentials.nick.red (any color)

Give yourself a color via the nickname command. For example, your name is "FroostySnoowman" the command would be:
/nick &cFroostySnoowman

Remove the nickname with the nickname off command.
/nick off

It will then trigger the bug.

Expected behaviour

It should remove the colored nickname.

Actual behaviour

It doesn't remove the colored nickname and gives you an error in chat.