SpecificationError: nested renamer is not supported

The problem in stack plot…

I hope you get the above problem in the stack plot, right.

It is just because of the update in pandas.

What's new in 0.25.0 (July 18, 2019) - pandas 1.1.4 documentation

source: Created by author

source: Created by Author

source: Created by author

source: Created by Author

I hope your problem is solved now…

If it helped, upvote and share…

Thanks in advance.