Fatal error: Uncaught Error: Class 'craft\db\Migration' not found in /home/luxurytr/public_html/lt8/vendor/craftcms/cms/src/migrations/m170228_171113_system_messages.php:11
Stack trace:
#0 {main}
thrown in /home/luxurytr/public_html/lt8/vendor/craftcms/cms/src/migrations/m170228_171113_system_messages.php on line 11