From #36 to #200

Hi, I have a question about this course, Vera’s Diary for beginners. I was on VD #36, I clicked “Next lesson”, and suddenly I’m on VD #200. Why are there 164 VD’s missing? Is this intentional?

Yes, this is fine.
Lesson #1-36: Daily experiences
Lessons #201-229: True stories from my life and special events
Lessons #501-539: Travel reports