Thank you for your response.
In case you provide FTP access, I will be able to ask our dev team to check your situation more deeply. But there is no guarantee that AMP can work with the payment gateway.
To create FTP access, please contact your hosting provider for assistance.
Thank you for your cooperation and we look forward to hearing from you soon.
One standard license is valid only for 1 project. Running multiple projects on a single license is a copyright violation.