Hi, thank you so much for the quick replies! I’ve been able to solve the issue with changing the trigger. It now runs on “When record is created” and the first action is to “Find records”. That way the error didn’t occur again. I’ll take notes for wh...

Reviving this question. I have the same issue where I’d like to check if a value lies between a min and max value of a list. Is anyone able to help figure out what’s causing the ‘invalid filter on {number field}’ issue?