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\test - Copy.php:12 Stack trace: #0 C:\wamp64\www\React_mob_Dev\CAFMS\8.4\test - Copy.php(12): sqlsrv_query(false, ' select tkn_onl...', Array) #1 {main} thrown in C:\wamp64\www\React_mob_Dev\CAFMS\8.4\test - Copy.php on line 12