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Fatal error: Uncaught TypeError: sqlsrv_query(): Argument #1 ($conn) must be of type resource, false given in C:\wamp64\www\CMMS_SEHSA\get_uom_mst.php:18 Stack trace: #0 C:\wamp64\www\CMMS_SEHSA\get_uom_mst.php(18): sqlsrv_query(false, 'Select uom_mst....') #1 {main} thrown in C:\wamp64\www\CMMS_SEHSA\get_uom_mst.php on line 18