It is necessary to identify and correct the problem in my PHP code.

Good evening! Faced with the problem. Write a payment system based on payment gateway KoronaPay (https://koronapay.com/transfers/pages/card2card.aspx).

All requests to the website KoronaPay can be monitored in DevTools.

The problem in my script is that when prompted to https://pay.cardstandard.ru/c2c/koronapay/proceed/ the site gives a redirect to an error page (https://pay.cardstandard.ru/c2c/koronapay/result/?token=DxujLJuD7NS-IKkPB5A6-zH4U1EevYiT9a7jOO6URmQ=). At his side all the queries in the PHP script made consistently and correctly. I would also like to mention the most important request for stats (https://pay.cardstandard.ru/bdas/public/kYZ3uxUzpIe8sKIoYmuya7wU5w6uCKq0FLt0N1tm9mk=/stats). It dataset is transmitted encrypted, it is encrypted using aes-128-ecb.

An example of dataset unencrypted:

Who is really interested in solving the problem, please write in telegrams - @d4rknetseller404
The source code of my PHP script throw off the conscientious programmer!