Fatal error: Uncaught Error: Class "Illuminate\Database\Migrations\Migration" not found in /home/heles/public_html/database/migrations/2021_01_12_142149_modify_namespaces_in_morph_database.php:8 Stack trace: #0 {main} thrown in /home/heles/public_html/database/migrations/2021_01_12_142149_modify_namespaces_in_morph_database.php on line 8