Warning: mysqli_fetch_array() expects parameter 1 to be mysqli_result, boolean given in /home/wwwroot/bdtcdl/wwwroot/inc/conn.php on line 42

Fatal error: Uncaught TypeError: Argument 1 passed to ajaxReturn() must be of the type array, string given, called in /home/wwwroot/bdtcdl/wwwroot/job/co.php on line 20 and defined in /home/wwwroot/bdtcdl/wwwroot/inc/db.php:580 Stack trace: #0 /home/wwwroot/bdtcdl/wwwroot/job/co.php(20): ajaxReturn('') #1 {main} thrown in /home/wwwroot/bdtcdl/wwwroot/inc/db.php on line 580