Ignore the Sophonts column. (I think that's just telling you whether the generator rolled up any
native sophonts.)
For Resources, I forgot you'll need to enter the PBG data above the Main World UWP. From the wiki, we get PBG = 803, so enter 3 Gas Giants, 0 Belts and 8 Terrestrial.
Clicking 'Generate' and scrolling down, you see something like this table, right? You'll have different scores and other bodies, but you should at least get an option with the matching UWP.
View attachment 6932
When you click on the '5' in the Score column (or whatever number you have in the corresponding box), it should add more info in the 'Notes' column and show additional info below the table.
For example, I get this:
View attachment 6933
Every time you click on the button in the 'Score' column, it will generate new information for that UWP.