I've tried multiple times creating a new league. But afterwards I cannot join it, because the "New entrants are not allowed while the current season is ending. Try joining again once next season's schedule is published". No new races are scheduled.
Hi,
If you are having issue, try joining an already existing league as I can see that you are a newbie. From past experience I can tell you that getting people for your league is going to be near impossible, join an established league first to gain some experience.