Fix #10799

app/Http/Controllers/Budget/IndexController.php

@@ -129,7 +129,6 @@ class IndexController extends Controller
             $spent    = $spentArr[$this->primaryCurrency->id]['sum'] ?? '0';
             unset($spentArr);
         }
-
         // number of days for consistent budgeting.
         $activeDaysPassed = $this->activeDaysPassed($start, $end); // see method description.
         $activeDaysLeft   = $this->activeDaysLeft($start, $end);   // see method description.

app/Repositories/Webhook/WebhookRepository.php

@@ -55,6 +55,9 @@ class WebhookRepository implements WebhookRepositoryInterface, UserGroupInterfac
 
     public function destroy(Webhook $webhook): void
     {
+        // force delete all messages and attempts:
+        $webhook->webhookMessages()->delete();
+
         $webhook->delete();
     }