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 :
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