arkon 366219d7f5 Avoid crashing if getChapterUrl is not implemented
Fixes #9105

(cherry picked from commit ceaf579cb0b4b0ecdf2e56f245a2fad2b6ed2e85)
2023-03-05 14:33:25 -05:00
..
2020-04-29 17:56:05 -04:00
2021-05-22 16:07:11 -04:00
2021-05-31 23:48:06 -04:00