Fatal error: Uncaught mysqli_sql_exception: Unknown column 'categories.php' in 'where clause' in /home1/b2bba7tp/public_html/supplier/product.php:113 Stack trace: #0 /home1/b2bba7tp/public_html/supplier/product.php(113): mysqli_query(Object(mysqli), 'select * from p...') #1 {main} thrown in /home1/b2bba7tp/public_html/supplier/product.php on line 113