Fatal error: Uncaught TypeError: sqlsrv_query(): Argument #1 ($conn) must be of type resource, false given in C:\wamp64\www\ETKA\test.php:12 Stack trace: #0 C:\wamp64\www\ETKA\test.php(12): sqlsrv_query(false, 'Select rowid, a...') #1 {main} thrown in C:\wamp64\www\ETKA\test.php on line 12