When I go complete the paypal payment process, I get the email asking me to click the link to register. When I click that link it give me “Your Link Expired: Please contact Support if you need assistance”
Solution
This is caused by you having used an email address in your OptimizeMember Paypal settings that is not in your Paypal account. Please check that the Paypal address you have used is the primary email address in your Paypal account