Hello,
I believe Dennis' last note probably meant that he would not recommend editing the -errors.txt file to remove the code. In your case, I think the best solution is to, as you suggest, unbundle the error cluster and programmatically deal with it by launching a dialog box with your comment. You can do this using the One Button Dialog function found in the Time & Dialog pallete.
Repost if you continue to have trouble!
Best Regards,
JLS