I tried to install the “EPUB/CBZ/PDF ebook reader” app today after there was a message in the nextcloud twitter feed about it. Download worked, but the app didn’t got activated and every try to do that ends up with this error message:
Index name “oc_reader_preferences”.“reader_preferences_file_id_index” is too long.
I have no idea what this might be or how to solve this. Does this depend on some database settings?
I’m running Nextcloud 20 on a Ubuntu VServer with MariaDB 10.1x. Log doesn’t show an entry for that…