Hey Shelley,
If you get a message that you need to regenerate your table, please follow the steps below.
1. Click on the Customize Tab.
2. Click on the Tables / Fields tab link.
3. Find the table you want to regenerate and select "Edit Fields".
4. Once the popup loads, select "Finished Editing Fields". The screen will close and take you back to your list of tables.
After following those steps, you will have regenerated your table.