Can’t join class Data Science Capstone

In the https://www.coursera.org/account/accomplishments page, I can find I finished the 9 courses in the data science of Johns Hopkins University. However, I can’t  join the final class named “Data Science Capstone”, it shows me the follow information. What’s wrong here?   Welcome to the Data Science Specialization Capstone Project! You’re on your way, but it looks like you haven’t completed the necessary courses to qualify for the capstone project. If you’re stuck or need help competing all the courses in your Specialization, stop by the Coursera Guidebook or reach out to us here. We’ll guide you to the finish line. And if you want to learn more about the Data Science Specialization, you will find more information here. We look forward to seeing you back in the capstone project soon.…


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