Fatal error: Uncaught Error: Class 'Yoast\WP\Lib\Migrations\Migration' not found in /sata2/home/users/babay/www/shop.art.rv.ua/wp-content/plugins/wordpress-seo-premium/src/config/migrations/20200609154515_AddHasAncestorsColumn.php:17 Stack trace: #0 /sata2/home/users/babay/www/shop.art.rv.ua/wp-content/plugins/wordpress-seo-premium/vendor_prefixed/ruckusing/lib/Task/Db/Migrate.php(216): require_once() #1 /sata2/home/users/babay/www/shop.art.rv.ua/wp-content/plugins/wordpress-seo-premium/vendor_prefixed/ruckusing/lib/Task/Db/Migrate.php(196): YoastSEO_Vendor\Task_Db_Migrate->run_migrations(Array, 'up', NULL) #2 /sata2/home/users/babay/www/shop.art.rv.ua/wp-content/plugins/wordpress-seo-premium/vendor_prefixed/ruckusing/lib/Task/Db/Migrate.php(114): YoastSEO_Vendor\Task_Db_Migrate->prepare_to_migrate(NULL, 'up') #3 /sata2/home/users/babay/www/shop.art.rv.ua/wp-content/plugins/wordpress-seo-premium/vendor_prefixed/ruckusing/lib/Ruckusing/Task/Manager.php(172): YoastSEO_Vendor\Task_Db_Migrate->execute(Array) #4 /sata2/home/us in /sata2/home/users/babay/www/shop.art.rv.ua/wp-content/plugins/wordpress-seo-premium/src/config/migrations/20200609154515_AddHasAncestorsColumn.php on line 17