Fatal error: Uncaught Error: Call to undefined function mysql_connect() in /opt/lampp/htdocs/dhtmlxSuite_v5.1/samples/dhtmlxList/common/php/data.php:6
Stack trace:
#0 {main}
thrown in /opt/lampp/htdocs/dhtmlxSuite_v5.1/samples/dhtmlxList/common/php/data.php on line 6