This means you need to request from the site admin access to his affiliate whitelist. This means only people he approves are allowed to promote his product. It helps cut down on software stealing and discounts...
Haha... no problem! There are a lot of people who would read but hate and I figured I should help... I think it must be something new Clickbank added. I think my partner and I would use it for our product just to cut out the fly-by-nighters and bring happiness to the affiliates who actually try and promote our software.