I renamed the Jupyter optional lab notebook and now it’s failing to load the lab at all with 404 page not found error.
Which course is this referring to ?
The Supervised Machine Learning: Regression and Classification course.
Module 1 regarding optional labs for Python and Jupyter Notebooks
Try the question mark at the top right hand corner on the Lab, and then “Get Latest Version”, if the Lab opens. If it doesn’t open at all there might be the possibility that Coursera sever might be down for a moment and you have to wait some time!
Tip for the future:
Do not rename any notebooks. It causes a lot of problems.
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Note: I have moved this thread to the forum area for that course.