Thank you for your quick response.
I clicked the thumb up icon, then I got the error message:
"Authentication Failed. Authentication Ticket Mismatched, failed authentication."
Therefore the thumb up number was not increased.
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While I was typing this message, + symbol shows up, and the Google Chrome was frozen. Although I could unfreeze the browser, I do not know what I did. As I am old, I often forget what I did several minutes ago.
