Output the error when failing to update the order

src/Controller/EditOrderAction.php

@@ -12,6 +12,7 @@
 use Symfony\Component\HttpFoundation\Response;
 use Symfony\Component\HttpFoundation\Session\Session;
 use Symfony\Component\Routing\Generator\UrlGeneratorInterface;
+use Symfony\Component\Translation\TranslatableMessage;
 
 final class EditOrderAction
 {
@@ -28,38 +29,40 @@ public function __invoke(Request $request, int $id): Response
             $this->orderUpdater->update($request, $id);
         } catch (NewOrderWrongTotalException) {
             return $this->addFlashAndRedirect(
-                'error',
-                'setono_sylius_order_edit.order_update.total_error',
                 'sylius_admin_order_update',
                 $id,
+                'error',
+                'setono_sylius_order_edit.order_update.total_error',
             );
-        } catch (\Throwable) {
+        } catch (\Throwable $e) {
             return $this->addFlashAndRedirect(
-                'error',
-                'setono_sylius_order_edit.order_update.general_error',
                 'sylius_admin_order_update',
                 $id,
+                'error',
+                'setono_sylius_order_edit.order_update.general_error',
+                ['%error%' => $e->getMessage()],
             );
         }
 
         return $this->addFlashAndRedirect(
-            'success',
-            'setono_sylius_order_edit.order_update.success',
             'sylius_admin_order_show',
             $id,
+            'success',
+            'setono_sylius_order_edit.order_update.success',
         );
     }
 
     private function addFlashAndRedirect(
-        string $type,
-        string $message,
         string $route,
         int $orderId,
+        string $type,
+        string $message,
+        array $messageParameters = [],
     ): RedirectResponse {
         $session = $this->requestStack->getSession();
 
         if ($session instanceof Session) {
-            $session->getFlashBag()->add($type, $message);
+            $session->getFlashBag()->add($type, new TranslatableMessage($message, $messageParameters, 'flashes'));
         }
 
         return new RedirectResponse($this->router->generate($route, ['id' => $orderId]));

src/Resources/translations/flashes.en.yaml

@@ -1,5 +1,5 @@
 setono_sylius_order_edit:
     order_update:
-        general_error: 'An error occurred while updating the order'
+        general_error: 'An error occurred while updating the order: %error%'
         total_error: 'Order should not have bigger total than before editing'
         success: 'Order has been successfully updated'