Hello Renea Claerhout,
Please check your server that handles PayPal Instant Payment Notifications (IPN). IPNs sent to the following URL(s) are failing:
http://casterracingmi.com/index.php?rou ... d/callback
If you do not recognize this URL, you may be using a service provider that is using IPN on your behalf. Please contact your service provider with the above information. If this problem continues, IPNs may be disabled for your account.
Thank you for your prompt attention to this issue.
Email me please: email@example.com
Opencart Expert | sales[at]ost.agency
Skype - manish.osuniverse | Gtalk - manishmt
Extensions for Opencart @ https://www.ost.agency/product/product- ... extensions
ost.agency - ecommerce website design, development and digital company
RIKSOF is an agency, based out of Karachi, delivering custom mobile and web application development services to customers in the United States, United Kingdom, Ireland, Sweden, United Arab Emirates and Saudi Arabia. Our biggest strength is the team's track record of taking projects past the finish line under any circumstance.
http://www.antropy.co.uk/blog/opencart- ... owing-ipn/
It's often caused by having the wrong address in PayPal or your hosting company blocking the callback request.
For quick, professional OpenCart support please email firstname.lastname@example.org