Fatal error: Uncaught Error: Class "Illuminate\Database\Migrations\Migration" not found in /home/sourceex/public_html/pm/database/migrations/2022_02_14_180229_make_lead_email_nullable.php:8 Stack trace: #0 {main} thrown in /home/sourceex/public_html/pm/database/migrations/2022_02_14_180229_make_lead_email_nullable.php on line 8