Fatal error: Uncaught Error: Class "Illuminate\Database\Migrations\Migration" not found in /home/alkhalaffamily/public_html/educourses/database/migrations/2021_07_01_141822_add_price_to_topic_libraries.php:7 Stack trace: #0 {main} thrown in /home/alkhalaffamily/public_html/educourses/database/migrations/2021_07_01_141822_add_price_to_topic_libraries.php on line 7