error "Invalid type in command series" from org-super-agenda

Somehow I had deleted the line agenda "" from my org-super-agenda config. Which apparently I need, although I’m not sure why.

Resources

• https://www.reddit.com/r/orgmode/comments/yn7s3o/easy_20_for_help_with_an_orgmode_agenda_searchview/
• https://www.reddit.com/r/orgmode/comments/z9jrtq/comment/iytvtk9/