This is usually caused by copying the previous years database instead of importing the data from it.

Open Mag-Filer

Go to Utilities and click show database name and make note of where your database is located and what it is named.

Create a new Database by going to Utilities>Select Database>Create New Database

Next Select Import > Previous Years Data

Select the database that you located in step one with the show database name window and click open

Select the top left checkbox and click Import