Did you look at the console to see what input the controller produced? It’s just a shot in the dark but I’m wondering if maybe the controller button ‘fired’ more than once or something along those lines.
Comparing the console output from both ways of starting a probe might provide some insight into the issue.
EDIT: There might be a problem with shortcuts. Basing this on:
and
Those both mention Alarm 2. Did you get Alarm 2 or Error 2?