Fatal error: Uncaught Error: Class "Illuminate\Database\Migrations\Migration" not found in /home/xihszjk/support.wiresk.com/database/migrations/2021_02_17_010101_change_string_columns_in_mailboxes_table.php:7 Stack trace: #0 {main} thrown in /home/xihszjk/support.wiresk.com/database/migrations/2021_02_17_010101_change_string_columns_in_mailboxes_table.php on line 7