Fatal error: Uncaught Error: Class 'craft\db\Migration' not found in /home/luxurytr/public_html/lt8/vendor/craftcms/redactor/src/migrations/m180430_204710_remove_old_plugins.php:14 Stack trace: #0 {main} thrown in /home/luxurytr/public_html/lt8/vendor/craftcms/redactor/src/migrations/m180430_204710_remove_old_plugins.php on line 14