Fatal error: Uncaught TypeError: sqlsrv_close(): Argument #1 ($conn) must be of type resource, false given in C:\wamp64\www\CMMS_RETAIL\wo_upload.php:128 Stack trace: #0 C:\wamp64\www\CMMS_RETAIL\wo_upload.php(128): sqlsrv_close(false) #1 {main} thrown in C:\wamp64\www\CMMS_RETAIL\wo_upload.php on line 128