When posting comments, I had a glitch, when I entered a comment, it kept on displaying "error, try again".
It sometimes wouldn't even give me a captcha prompt and then even when I typed what was on the screen, it would just display "error, try again" again!
I seemed that clearing the cache helped.
Didn't see that stupid error again (which reminds me of when I made a password typo with sudo) after clearing the cache and rebooting.
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