Fatal error: Uncaught Error: Class "Illuminate\Database\Migrations\Migration" not found in C:\WebServer\htdocs\bookshelf\database\migrations\2017_01_21_163602_create_sessions_table.php:7 Stack trace: #0 {main} thrown in C:\WebServer\htdocs\bookshelf\database\migrations\2017_01_21_163602_create_sessions_table.php on line 7