Fatal error: Uncaught Error: Class "OC\Files\Search\QueryOptimizer\QueryOptimizerStep" not found in /home/ally/mittondev/temp/nextcloud/lib/private/Files/Search/QueryOptimizer/PathPrefixOptimizer.php:31 Stack trace: #0 {main} thrown in /home/ally/mittondev/temp/nextcloud/lib/private/Files/Search/QueryOptimizer/PathPrefixOptimizer.php on line 31