Hello!
Requirement - Need to identify those items that were part of the sprint when the sprint started Vs the ones that were pulled in at some later point in time.
Approach - Trying to create an automation rule to add a label "SprintPlanning" ONLY to those items that are part of the sprint when we start the sprint. Want this rule to be triggered when the sprint starts.
The Rule that I created:

The error :

What am I doing wrong? Can someone please help?
Thanks in advance.