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.