When registered with our forums, feel free to send a "here I am" post here to differ human beings from SPAM bots.
This is usually because you have written some non-ASCII character.
There are some unexpected non-ASCII characters, like most quotation marks.Divide your message in two parts and create one post for each part to find the culprit; iterate if needed.
I did not say you used them, it was just an example of unexpected non-ASCII characters. Bisect your original message until you find the offending character.
Might be a too long issue; but that has never been reported as a problem.Tim S.