# Error occurred: Accepturl cancellurl callbacurl or referer base address is different from the addresses confirmed in the project (0x13)

Request has been received from the URL address which is not assigned to the project!

Please contact the website administrator by email or phone and notify them, that payments for the project No. are declined.

Detailed specification


The value of at least one of the following parameters does not match the confirmed addresses of the project: 'accepturl', 'cancelurl', or 'callback', or the address the payment request is sent from does not match the confirmed addresses of the project.

Detailed error code description