This answer assumes that you entered your royalty income in TurboTax from box 2 of a Form 1099-MISC. If this isn't how you reported it, provide more information.
In your Oklahoma return, you should be seeing this screen:
Since you don't have Oklahoma wages or any of the income listed, don't enter anything in the Oklahoma Amount field, just select Continue.
Scroll through the following screens until you get to the Oklahoma Income screen that displays Rental, Partnerships, Etc. If you entered box 2, Form 1099-MISC, you should see this:
Here, if your royalty amount was $3,333, enter the same amount in the Oklahoma Amount field, then select Continue.
[Edited 3/11/2024 |2:16 pm PST]
@CaddyGrn