Most probably this error happened because of passing an invalid cart_description format. For example, passing integer id instead of a string.


In this article you will be going to know about:

How to investigate the reason that caused this error?


You can investigate the reason for such an error from the "API debug log" by following the below steps:

  1. Navigating to the Developer’s menu > Testing > API Debug Logs (within your desired profile).

  2.  Then you can navigate to the request payload sent from your side from the icon ? (view request body) in the API debug logs.


Or you may get the error directly from the response payload sent from PayTabs according to your sent request


Reason #1: Invalid cart_description format


This means that you passed an invalid format to the "cart_description" parameter. For example, passing integer values.



The cart_description format MUST be string