I am getting an error message while trying to Validate the challenge on Create Validation Rules. Looking at the help topics, I tried unselecting the "Restrict picklist to the values defined in the value set" Picklist (Multi-Select) Options. This had no effect.
#Trailhead Challenges
6 answers
My solution was to start a new playground and redo the first four steps from scratch in the trail before re-attempting this challenge.