Kevin,
Two things;
As frustrating as it is, if you have to throw out an entire night because something went wrong, sadly it won’t be your last. We’ve all done it. It isn’t a total loss because you can learn from it.
Second, begin with the end in mind ( steven covey ). If you stack out of focus subs, you won’t get a good image anyway.
There will always be other nights. The universe isn’t going anywhere