Fatal error: Uncaught TypeError: sqlsrv_close(): Argument #1 ($conn) must be of type resource, false given in C:\wamp64\www\EDSB2\insert_work_order_image_file.php:101 Stack trace: #0 C:\wamp64\www\EDSB2\insert_work_order_image_file.php(101): sqlsrv_close(false) #1 {main} thrown in C:\wamp64\www\EDSB2\insert_work_order_image_file.php on line 101