Fatal error: Uncaught Error: Call to undefined function mysql_error() in /home/clients/1620cd0f17c5b6182a4cce9f3da6fc0c/slp/sales-details_2.php:25 Stack trace: #0 {main} thrown in /home/clients/1620cd0f17c5b6182a4cce9f3da6fc0c/slp/sales-details_2.php on line 25