Can not open camera for QR Code Scan

Hello there, I’m new for ERPNext and i want to scan qr code so when i click field scan qr code but camera not open and show results as picture below. I would like to know what I need to do or if I need to install anything else to use QR code scanning.
Thank you very much.

Hi:

Is SSL certificate installed on your site? You will need this or tune your browser properly. Check here:

Hope this helps.

Hi
thank you for solutions but i’m tested it does not work