Ok, you've kinda pointed out a problem to me that explains it... When using the "/cl" command, the "/look4" command gets called as well. The "/look4" command needs an email address specified as a parameter. Typing "/cl email@domain.com" works fine...
Any idea why it's calling both functions? Should I just use if statements rather than using cases?
Thanks for the quick reply by the way
EDIT: Done some tinkering now and it's working. Thanks for your help anyway else I wouldn't have noticed the cause.