Use getErrorUrl function

CRM/Core/Payment/Stripe.php

@@ -716,7 +716,7 @@ class CRM_Core_Payment_Stripe extends CRM_Core_Payment {
     }
     catch (Exception $e) {
       $parsedError = $this->parseStripeException('doPayment', $e);
-      $this->handleError($parsedError['code'], $parsedError['message'], ($propertyBag->has('error_url') ? $propertyBag->getCustomProperty('error_url') : ''), FALSE);
+      $this->handleError($parsedError['code'], $parsedError['message'], $this->getErrorUrl($propertyBag), FALSE);
     }
 
     // @fixme FROM HERE we are using $params ONLY - SET things if required ($propertyBag is not used beyond here)
@@ -754,7 +754,7 @@ class CRM_Core_Payment_Stripe extends CRM_Core_Payment {
       'email' => $propertyBag->getEmail(),
       'currency' => mb_strtolower($propertyBag->getCurrency()),
       // Include this to allow redirect within session on payment failure
-      'error_url' => $propertyBag->getCustomProperty('error_url'),
+      'error_url' => $this->getErrorUrl($propertyBag),
     ];
 
     // Get the Stripe Customer:
@@ -1048,7 +1048,7 @@ class CRM_Core_Payment_Stripe extends CRM_Core_Payment {
       }
     }
     catch (Exception $e) {
-      $this->handleError($e->getCode(), $e->getMessage(), $params['error_url']);
+      $this->handleError($e->getCode(), $e->getMessage(), $params['error_url'] ?? '');
     }
     finally {
       // Always update the paymentIntent in the CiviCRM database for later tracking