ICQ error. Failed to send message:
 

I'm getting this error a lot lately.

Failed to send that message: <Insert Message>
Failed to send the message. Please try again later.
If you are still experiencing difficulties please refer to the ICQ Help center at www.icq.com/help.
Info Number 0703

Anyone having the same problem, how to fix this ?

the way to fix is it stop using their client, i stopped months ago and my problems disappeared
(use something else, like trillian)