Hello! I am from the CometChat team.
Am sorry to learn that you are facing issues during installation. We would be more than happy to assist you to get CometChat up and running. We usually take 1-2 business days to reply to tickets. Sometimes it may take a little longer depending on the nature of the query.
Can you please PM me your ticket ID and I'd be happy to expedite it for you.
Please note that we do not actively monitor these forums so the quickest way for you to get a hold of us is at
http://www.cometchat.com/contact
Warm Regards,
Anant