Server v2.0.0 and higher is not backwards compatible with older mobile app versions! Make sure you are using server v2.0.0 and up with mobile apps v0.9.41-beta and up.
Help needed writing documentation! This website is on github. Join the discussion, report an issue or contact me directly at advplyr@protonmail.com.
Audiobookshelf works best when you have an organized directory structure like shown below. This is because information is taken from your folder names. This includes the author name, series name, book title, publish year, volume number, and subtitle. However, you can enable scanner settings to prefer using your audio file ID3 tags or an OPF file over using folder names.