Warning: Trying to access array offset on null in C:\wamp64\www\CMMS_RETAIL\get_asset_dropdown.php on line 13

Warning: Trying to access array offset on null in C:\wamp64\www\CMMS_RETAIL\get_asset_dropdown.php on line 14

Fatal error: Uncaught TypeError: sqlsrv_query(): Argument #1 ($conn) must be of type resource, false given in C:\wamp64\www\CMMS_RETAIL\get_asset_dropdown.php:22 Stack trace: #0 C:\wamp64\www\CMMS_RETAIL\get_asset_dropdown.php(22): sqlsrv_query(false, 'select column_n...') #1 {main} thrown in C:\wamp64\www\CMMS_RETAIL\get_asset_dropdown.php on line 22