fix

app/Http/Livewire/Settings/Email.php

@@ -47,9 +47,9 @@ class Email extends Component
             $this->validate();
         }
     }
-    public function test_email()
+    public function testNotification()
     {
-        Notification::send($this->settings, new TestEmail);
+        $this->settings->notify(new TestEmail);
         $this->emit('success', 'Test email sent.');
     }
     private function decrypt()

app/Notifications/TransactionalEmails/TestEmail.php

@@ -3,7 +3,6 @@
 namespace App\Notifications\TransactionalEmails;
 
 use App\Notifications\Channels\EmailChannel;
-use App\Notifications\Channels\TransactionalEmailChannel;
 use Illuminate\Bus\Queueable;
 use Illuminate\Contracts\Queue\ShouldQueue;
 use Illuminate\Notifications\Messages\MailMessage;
@@ -19,7 +18,7 @@ class TestEmail extends Notification implements ShouldQueue
     public function toMail(): MailMessage
     {
         $mail = new MailMessage();
-        $mail->subject('Coolify Test Notification');
+        $mail->subject('Test Notification');
         $mail->view('emails.test');
         return $mail;
     }