Help!
Trying to use SCID openings trainer (need repertoire database?)

The repertoire database feature was reported as "broken" more than two years ago. I doubt if it's ever been fixed.

Yeah i've never been able to get it to work. I usually just use the tree window to look at my database to work on my opening knowledge.
I just want to play openings and see my errors.
I have SCID 4.5.2 installed
I selected on menu Play -> training -> openings
I get an error that says "Open first a repertoire database with icon/type set to the right side"
What does that mean?