Without having compared and read everything in detail:
There exist similar error threads here already,
where the answer always was to read the MM documentation and backuo your SavedVariables, then reset your SavedVariables and build it new as your data got currupted somehow.
e.g.
https://www.esoui.com/forums/showthread.php?t=10676
Posts by Sharlikran linking the esouimods website with the docu about reset of data, and asking for the files.
Did you try that already?