Fatal error: Uncaught Error: Class "Illuminate\Database\Migrations\Migration" not found in C:\xampp\htdocs\database\migrations\2020_07_20_211440_add_attribute_lead_id_table_clientes.php:7 Stack trace: #0 {main} thrown in C:\xampp\htdocs\database\migrations\2020_07_20_211440_add_attribute_lead_id_table_clientes.php on line 7