What are you trying to do when you get this error message? Ideally we'd have a reprex to work with (FAQ: How to do a minimal reproducible example ( reprex ) for beginners), but at least the text from your R console would be helpful.
What are you trying to do when you get this error message? Ideally we'd have a reprex to work with (FAQ: How to do a minimal reproducible example ( reprex ) for beginners), but at least the text from your R console would be helpful.