DayBack comes with a simple list view of the events in its Sample Events table. Many developers can ignore this as you likely have your own list view layout.
If you do want to use this layout, however, you'll need to repoint the fields on it as they likely won't line up now that you've repointed the table occurrence the layout's based on (SampleEvents) at your own table of events.
"Repointing" means clicking on each field and making sure it uses the correct field in your table...
...and doing the same for the subsummary parts, making sure their sorted-by fields are the correct fields in your table: