OK, altered my doc so the ‘spare’ people are in a container (‘Crowd’) sorted on $Modified:
‘ted’ got moved from ‘Crowd’ to ‘People’ just fine. Here’s the modified test file (note you can move the notes in People back out again or make more test notes: People-mover1.tbx (81.0 KB)
If you sometimes get a crash doing a particular task, it can indicate a timing issue ‘behind the curtain’, e.g. we want to make sure we place a cup before pouring boiling water; otherwise a bad event can occur. An immediate crash every time you do something†—which is thankfully rare in my experience—is indicative of a more serious error. Either way, the crash logs (sent to firstname.lastname@example.org) can help figure that out. (How to find crash logs)
†. Of course if the then to that same thing again, the app is not more crash-prone as we are simply re-creating the same error. Just don’t do that thing again until you get a fix as to the cause.