We have a form our users fill out that requires selecting a few entries from a long list of items, which we've managed to clean up by storing items by organization name--each organization has its own multi-select field, and they're conditional upon t...
So while looking for a suitable example record, I noticed a trend, that the formatting errors were always happening with a certain item, which I discovered does come from a different field, so your first comment actually fixed the error!
Oddly, the issues don't come with concatenating between fields, rather they come between multiple selections within each field. In 99% of cases, only one organization field populates this concatenated field anyway.
