Fatal error: Uncaught Error: Class "Illuminate\Database\Migrations\Migration" not found in C:\WebServer\htdocs\bookshelf\database\migrations\2020_11_07_232321_simplify_activities_table.php:8 Stack trace: #0 {main} thrown in C:\WebServer\htdocs\bookshelf\database\migrations\2020_11_07_232321_simplify_activities_table.php on line 8