Fatal error: Uncaught TypeError: sqlsrv_query(): Argument #1 ($conn) must be of type resource, bool given in /var/www/html/biometric-docme/biometric.php:90 Stack trace: #0 /var/www/html/biometric-docme/biometric.php(90): sqlsrv_query() #1 {main} thrown in /var/www/html/biometric-docme/biometric.php on line 90