[makeitdouble]

You'd probably get the same response approaching them with a "we're trying to do this but couldn't make it work, could you help us ?" kind of pitch.

Except if you're actually convinced it could be your mistake, getting that tone will feel like getting played like some small kid. Most people will help you anyway and be professional, of course.

That reminds me of detective Columbo. It's cute and all when it's supposed to be done to strangers. Imagine Columbo coming to you every week with that same convoluted spiel.