Tried it on a colleagues Trailhead playground and it worked for him.
Anyone who can help understand why my trailhead playground doesn't allow me to access Service Resource?
Trailhead is bugging out on accepting my completed challenge (I think).
The task is: "In '3 - Sales & Marketing Adoption' dashboard, change the dashboard component for 'New LEAD Trend by Source' to a pie chart and set the wedges to Lead Source"
The picture may be hard to see- but wedges are set to lead source. I keep getting an error message that it is not. Bug fix?