Fatal error: Uncaught TypeError: sqlsrv_query(): Argument #1 ($conn) must be of type resource, false given in C:\wamp64\www\vermi_mobile\9.1\get_mobile_update.php:9 Stack trace: #0 C:\wamp64\www\vermi_mobile\9.1\get_mobile_update.php(9): sqlsrv_query(false, 'Select sys_ver_...') #1 {main} thrown in C:\wamp64\www\vermi_mobile\9.1\get_mobile_update.php on line 9