Fatal Error on status update

#1

Good day i’m attempting to receive status update but i’m receiving a fatal error. May you please assist. Below is the error:

Fatal error : Uncaught Paynow\Payments\HashMismatchException in \account\paynow\vendor\paynow\php-sdk\src\Payments\Paynow.php:326 Stack trace: #0

Paynow\Payments\Paynow->processStatusUpdate() #1 {main} thrown in

#2

Hi there, please provide a bit more detail, specifically the code that is handling the status update.