Fatal error: Uncaught TypeError: mysqli_query(): Argument #1 ($mysql) must be of type mysqli, null given in /home/gtg/public_html/eriksedge/2022/inventory/manage/classes/cls_category.php:616 Stack trace: #0 /home/gtg/public_html/eriksedge/2022/inventory/manage/classes/cls_category.php(616): mysqli_query(NULL, 'select `image_u...') #1 /home/gtg/public_html/eriksedge/2022/category_mobile.php(34): category->getattribute('image', 'main', 'level2', '', Object(mysqli)) #2 {main} thrown in /home/gtg/public_html/eriksedge/2022/inventory/manage/classes/cls_category.php on line 616