Exactly, and believe me it's just as frustrating for us too. We work months, sometimes years to give people a great experience, only to learn that no matter how hard we work on setting these missions up, to make sure they work, well, they just may not work at all due to the way the MT engine is set up. If I sell something I need to be able to guarantee that it works. Period.
And I understand that this is not an easy one to fix, but it has been in public release for the past 15 months. 15.