Hi, there! We see you also submitted your question via LiveChat this morning and the issue was forwarded to a Curriculum Consultant. The question was answered in great detail via your track, which you should have received via email.
When you are taking a class on the Coursera platform, the ONLY way to enter the Viya for Learners server is to enter using the Ungraded External Tool that is inside your Coursera class. When you follow this method, you MUST log onto Viya for Learners using the SAME email address you use to log onto Coursera.
Please check your spam in case the email response ended up there. The response is very specific to your situation so we won't post more of it here.
If you run into any further issues, please don't hesitate to reach back out.