This is a "ghost" form that transferred over from your prior-year return.
I think the instructions included in the TurboTax FAQ linked below will assist you. You should be able to delete the Form 1099-R that is associated with this specific retirement account. Please post back if you continue to have difficulty.
How do I view and delete forms in TurboTax Online?
*** I am NOT a tax expert. I am a seasoned TurboTax user, and volunteer to provide assistance to TT users. Nothing I post is to be considered TAX ADVICE; I bear no legal liability for responses.***
