Fatal error: Uncaught Error: Class "Illuminate\Database\Migrations\Migration" not found in /home/crmcodingobjects/public_html/modules/MailClient/Database/migrations/2019_12_19_080500_create_email_account_message_headers_table.php:17 Stack trace: #0 {main} thrown in /home/crmcodingobjects/public_html/modules/MailClient/Database/migrations/2019_12_19_080500_create_email_account_message_headers_table.php on line 17