If you have access to System Options in Back-office, you will be able to enable the "Delete Day-End" button. 


1. In Advantage Back-office, click the left sidebar menu.

2. Click on the System menu.

3. Open the System Options module. 

4. Click on the Sales tab. 

5. Select the Allow Delete Previous Day-End Procedure checkbox:




6. Pres the "Tab" button on your keyboard.

7. Click on the save button in the navigation bar:


8. A system message will appear: Options Save successful.

9. Click on OK.