This is a known issue within TurboTax 2021 and is being investigated. See the article I've linked below.
Why is TurboTax generating Form 8582 when I have no passive activity loss in the state of Maryland?
*** 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.***
