Fatal error: Uncaught Error: Class 'App\Http\Controllers\Controller' not found in /home/demohatinco/public_html/rss_web/app/Http/Controllers/user/ResearchController.php:12 Stack trace: #0 {main} thrown in /home/demohatinco/public_html/rss_web/app/Http/Controllers/user/ResearchController.php on line 12