The error is : 406 Not Acceptable
This is an issue with Godaddy's mod_security settings (probably too restrictive).
I've seen many users with this issue. You should talk to Godaddy's support and ask them to disable the specific rule that prevents the request to be executed (but of course the rule should be individuated first).
You can disable mod_security easily via .htaccess please add this to your .htaccess file :
Welcome to the Q&A site for Question2Answer.
If you have a question about Q2A, please ask here, in English.
To report a bug, please create a new issue on Github or ask a question here with the bug tag.
If you just want to try Q2A, please use the demo site.
April 20, 2021: Q2A 1.8.6 released!