Fatal error: Uncaught Error: Class 'Illuminate\Database\Migrations\Migration' not found in C:\site\education\database\migrations\2021_03_19_065559_alter_table_students_add_column_student_code.php:7 Stack trace: #0 {main} thrown in C:\site\education\database\migrations\2021_03_19_065559_alter_table_students_add_column_student_code.php on line 7