Just now, the same problem, and the ''SOAP'' module is not even on the disc I purchased. WTF. So much for this advice.
I should add that I was previously able to file three returns without any problems, and now on the fourth, I got the message that it did not go through.
Tried to file ''manually'', and received a message from CRA that I cannot do this, since it was already filed. They supplied a confirmation number. Best now to wait until the CRA will send out it's assessment.
But wouldn't it be nice if Ufile would have a patch for this obvious error!!