Executing migration for pre update scripts...<br />
<b>Fatal error</b>:  Uncaught Error: Class 'Pimcore\Db' not found in /home/realadvivf/v2.0.4/update-scripts/pimcore-4-to-5.php:19
Stack trace:
#0 /home/realadvivf/v2.0.4/update-scripts/pimcore-4-to-5.php(212): localMigration\{closure}()
#1 {main}
  thrown in <b>/home/realadvivf/v2.0.4/update-scripts/pimcore-4-to-5.php</b> on line <b>19</b><br />