Fatal error: Uncaught Error: Class "Illuminate\Database\Migrations\Migration" not found in C:\xampp\htdocs\database\migrations\2020_12_07_203259_add_attribute_data_etapa_table_lead.php:7 Stack trace: #0 {main} thrown in C:\xampp\htdocs\database\migrations\2020_12_07_203259_add_attribute_data_etapa_table_lead.php on line 7