Forgive me if this is documented somewhere, but I can't figure out for the life of me how to get the error column set up. I am familiar with the process of configuring a custom column in calibre, but I don't see an Error option at all in the custom tags screen. What am I missing?
https://www.evernote.com/shard/s10/s...88f5cf1dbf1275 << this is the stuff I see under the custom tags option.