Steps to replicate the issue (include links if applicable):
- Go to https://cs.wikipedia.org/wiki/Wikipedista:Martin_Urbanec/P%C3%ADskovi%C5%A1t%C4%9B/4, open in visual editor mode
- Click Cite
- In the Automatic tab, fill in ISBN 978-80-262-0043-7.
What happens?:
A red message "We were unable to generate a citation for you":
What should have happened instead?:
A citation should have been generated
Other information:
If I enter isbn 9781786722973, the citation is successfully generated. Therefore, it looks like only certain ISBN numbers are affected by the bug.
I'm also unable to generate a citation for ISBN 978-80-909009-0-5 (another Czech ISBN). Both are valid books, see National library records: