Fatal error: Uncaught Error: Class "Illuminate\Database\Migrations\Migration" not found in /home/colih/public_html/dev/database/migrations/2019_09_04_211717_add_columns_doctors.php:7 Stack trace: #0 {main} thrown in /home/colih/public_html/dev/database/migrations/2019_09_04_211717_add_columns_doctors.php on line 7