Fatal error: Uncaught Error: Call to a member function fetch_row() on bool in /_cmn/functions/get-categories-name.php:4 Stack trace: #0 /product-info/product-info_d-category-path.php(5): get_categories_name('411/obudowy_i_c...', 1, Object(mysqli)) #1 /products.php(31): include('/product-info/p...') #2 {main} thrown in /_cmn/functions/get-categories-name.php on line 4