Mainstage Recurring Error Audio Unit Problem

"An Audio Unit plug-in reported problem which might cause the system to become unstable. Please quit and restart"

I saw an earlier thread addressing this problem, which pops up for me multiple times each session, at seemingly random points in the patch list.

I would greatly appreciate some help in figuring out what is going on. Perhaps I have too many patches or instruments loaded but when I delete lots of the patches from my concert I still get the same error.

Here is the result of two separate Terminal AU Validation Tool queries which I did following the instructions of the previous thread:

Below is the data dump which appeared after I quit the program having saved my work.

Thank you in advance!