Barry, check the link you posted in the original post.
https://app.amzpromoter.com/manager/campaigns
That link goes to a login screen, the sign up button requests payment or a trial.
The link you posted on Facebook is this one
https://barrysdeal.amzpromoter.com/SP31V2tacticalflashlight
It works fine and I was able to get a code.
Fix the link in the original post here.