System Status check fails with white screen - Class 'CRM_Smartdebit_Check' not found

System check REST call fails with 500 error - WD php: Error: Class 'CRM_Smartdebit_Check' not found in CRM_AuthorizeNet_Check::checkRequirements() (line 39 of [error] extensions/com.donordepot.authnetecheck/CRM/AuthorizeNet/Check.php). Error: Class 'CRM_Smartdebit_Check' not found in CRM_AuthorizeNet_Check::checkRequirements() (line 39 of extensions/com.donordepot.authnetecheck/CRM/AuthorizeNet/Check.php).