Fatal error: Uncaught Error: Call to undefined method mysqli_result::num_rows() in /home/semopols/public_html/iodica.pl/content/model/productsList.php:31 Stack trace: #0 /home/semopols/public_html/iodica.pl/content/model/wrapper.php(137): include() #1 /home/semopols/public_html/iodica.pl/index.php(57): require_once('/home/semopols/...') #2 {main} thrown in /home/semopols/public_html/iodica.pl/content/model/productsList.php on line 31