When trying to synchronize my shelves I get this Error
Code:
calibre, version 7.2.0
ERROR: Goodreads Failure: The request to contact Goodreads has failed.
If it happens again, you may have exceeded a request limit imposed by Goodreads.
In this case, wait 5-10 minutes before trying again.
I have waited the indicated time, with the same results
URL: https://www.goodreads.com/review/list.xml?v=2&shelf=currently-reading&page=1&per_page=100
Response Code: 401
b'Invalid API key.\n<!-- This is a random-length HTML comment: