Fatal error: Uncaught TypeError: sqlsrv_close(): Argument #1 ($conn) must be of type resource, false given in C:\wamp64\www\React_mob_Dev\CAFMS\8.4\insert_chart_image_file.php:468 Stack trace: #0 C:\wamp64\www\React_mob_Dev\CAFMS\8.4\insert_chart_image_file.php(468): sqlsrv_close(false) #1 {main} thrown in C:\wamp64\www\React_mob_Dev\CAFMS\8.4\insert_chart_image_file.php on line 468