Fatal error: Uncaught Error: Class 'craft\db\Migration' not found in /home/luxurytr/public_html/lt8/vendor/putyourlightson/craft-blitz/src/migrations/m180704_120000_add_caches_elementquerycaches_tables.php:7 Stack trace: #0 {main} thrown in /home/luxurytr/public_html/lt8/vendor/putyourlightson/craft-blitz/src/migrations/m180704_120000_add_caches_elementquerycaches_tables.php on line 7