Thank you for the post. To help us investigate further can you share with me what you were doing in the forums when this error was received (reading a discussin, posting a new reply, etc.)?
I had that happen yesterday when I tried to give a heart. I clicked the link in the notice and returned to the post and was able to heart with no problem. I just chalked it up to a glitch or feature overload.
What is good for the goose today will also be good for the gander tomorrow.