Fatal error: Uncaught Error: Class 'Illuminate\Database\Migrations\Migration' not found in G:\projects\beta.api.edutalk.edu.vn\database\migrations\2021_09_09_143003_update_contract_student_amounts_table_create_indexs.php:7 Stack trace: #0 {main} thrown in G:\projects\beta.api.edutalk.edu.vn\database\migrations\2021_09_09_143003_update_contract_student_amounts_table_create_indexs.php on line 7