Fatal error: Uncaught Error: Call to undefined function App\Http\Controllers\app_path() in /home/waleed/public_html/subdomains/campaigns.waleed.jt.mumara.dev/app/Http/Controllers/SMTPController.php:29 Stack trace: #0 {main} thrown in /home/waleed/public_html/subdomains/campaigns.waleed.jt.mumara.dev/app/Http/Controllers/SMTPController.php on line 29