Fatal error: Uncaught Error: Class "Illuminate\Database\Migrations\Migration" not found in C:\laragon\www\siepvr\database\migrations\2021_12_20_080740_add_vaccinator_column_to_checkups_table.php:8 Stack trace: #0 {main} thrown in C:\laragon\www\siepvr\database\migrations\2021_12_20_080740_add_vaccinator_column_to_checkups_table.php on line 8