Hello, actually I've tried a lot of time without `Show HN` prefix, but it just return `Sorry, your account isn't able to submit this site.` error. When I look f

Hello, actually I've tried a lot of time without `Show HN` prefix, but it just return `Sorry, your account isn't able to submit this site.` error. When I look for a solution I saw a comment that was suggestion to add `Show HN` prefix. That's why I added it.