Fatal error: Uncaught Error: Class "Illuminate\Database\Migrations\Migration" not found in /home/lessonplannercom/public_html/backend/database/migrations/2021_07_05_010046_create_lesson_activities_table.php:7 Stack trace: #0 {main} thrown in /home/lessonplannercom/public_html/backend/database/migrations/2021_07_05_010046_create_lesson_activities_table.php on line 7