Avast secure browser

I got feedback from my customer your avast secure browser block my domian. May I know why? Below link this is my security check showing the result my site is low security risk and not backlisted.

https://sitecheck.sucuri.net/results/censell.com

Please let me know what was happen. thanks

If you believe it to be a false positive, report it directly to avast using the - Reporting Possible False Positive File or Website - https://www.avast.com/false-positive-file-form.php form.