Shun
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Interesting, good to know.Shouldn't have anything to do with database size, no - SQLite is very lean in its RAM usage (only brings a little piece of the database into memory at a time) and in any event nothing in Settings / Flashcards ought to cause any extra database data to be reloaded since it's actually just adjusting in-app settings relating to flashcards.
I turned that permission setting off, and no crashes so far. I will have to give it some time and will get back to you in case I still get the error.It could be something iCloud related, since even if you're not using iCloud sync the app checks to see whether you have a dormant iCloud database when you enter that screen - does Pleco have permission to use iCloud storage? (if so, does it get rid of the crashes if you turn that permission off?)