Sorry for asking a stupid question - I'm new to Calibre and ebook readers in general. Also, I used the search function in this thread, but to no avail.
This is the first plugin I installed and I only did it because I liked the idea to sync my progress to GR. Unfortunately, for some reason, all the books in my library, no matter their status (new, x%, read), appear to have a progress of "-1" when trying to use the "update reading progress" feature.
For example, the book in this picture has a progress of 18% on my Kindle, but the plugin/Calibre has it at "-1". (see:
https://imgur.com/a/PtsYM5V).
Another thing I noticed is that most books are missing links.
What am I doing wrong?
I'm really sorry if this was answered before or if it's common knowledge for most users. Thank you!
P.S: English is not my first language, excuse me for any mistakes that I might've made.