Which Edge platform is your library using?
All libraries that began (or are beginning) their most recent Assessment after March 2019 should use the Edge 2.0 platform.
All libraries that began their most recent Assessment before March 2019 should use the Edge 1.0 platform to complete that process.
Note sure which platform you should access?
How are Edge 2.0 and 1.0 different?
How can I determine if my library is a subscriber?