This will be as a result of either an applied preference in, or corruption of, the ppprefs.ini

1. Click on the Windows start button 
2. Type DisplayFileLocator. This will automatically perform a search. Click File Locator once it appears in the list.



3. Single click on PPPrefs.ini in the list.



3. Hold CTRL + F and type Customise.
4. Under the heading [Customise] edit the following:

  If the line SuppressNonPriced is missing, you can add this to a a new line under the [Customise] Heading
 

4. Launch 2020 Fusion and the Non-Priced Button will be restored to the Items ribbon.