Why do I sometimes get a strange message when posting - $user.nickname

[MmeLindt]

but the message is posted anyway. So if I try to repost, I post double.

Thats Techs code for 'This poster is a plonker and about to post twice.'

Thanks, Fruitshoots. That makes sense.

I have got that too but my messgage does not get posted unlesss I do a preview first.

Do you think it is because I have been spotted as a notorious very bad speller so now "forced" to preview before posting?