Guild Wars 2

When I was trying to post a new recruit message as the other didn’t edit I received the following errors
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2 Errors Prevented Saving:

1. Messages is invalid
2. Message Body length must be less than 5001.
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1. I wonder how the message can be invalid as preview did show the message correct
2. Message Body length must be less than 5001? are that the amount of words? as I didn’t go over this amount.

Than still, if it works in preview shouldn’t it work for a post as well?

Kind Regards,
Kitsumeo