Fatal error: Uncaught TypeError: sqlsrv_query(): Argument #1 ($conn) must be of type resource, false given in C:\wamp64\www\React_mob_Dev\CAFMS\8.4\get_sitecode.php:13 Stack trace: #0 C:\wamp64\www\React_mob_Dev\CAFMS\8.4\get_sitecode.php(13): sqlsrv_query(false, 'select * from c...') #1 {main} thrown in C:\wamp64\www\React_mob_Dev\CAFMS\8.4\get_sitecode.php on line 13