Fatal error: Uncaught Error: Call to undefined method mysqli_result::numRows() in /home/extraprezzo/public_html/oc-content/plugins/universal_xml_importer/LocationManager.php:33 Stack trace: #0 /home/extraprezzo/public_html/oc-content/plugins/universal_xml_importer/index.php(224): LocationSwitcher->invertCityRegion() #1 /home/extraprezzo/public_html/oc-includes/osclass/classes/Plugins.php(188): include_once('...') #2 /home/extraprezzo/public_html/oc-includes/osclass/classes/Plugins.php(772): Plugins::loadActive() #3 /home/extraprezzo/public_html/oc-load.php(326): Plugins::init() #4 /home/extraprezzo/public_html/index.php(25): require_once('...') #5 {main} thrown in /home/extraprezzo/public_html/oc-content/plugins/universal_xml_importer/LocationManager.php on line 33