I was claimed by my father on his tax return up until May of 2020. I am getting rejected due to IND-516-01. How can I fix this?

[DoninGA]

There is no part year claiming of a dependent.  It is the whole year or not at all.

Since your father claimed you as a dependent on his tax return, then you will have to indicate on your tax return that you can be claimed as a dependent.

Go back to My Info and change your answer for being a dependent.  Then e-file your tax return again.

[SweetieJean]

You cannot be claimed as a dependent for only part of a year.  You are either a 2020 tax year dependent, or you are not.  How old were you on 12/31/2020, and were you a fulltime student until at least May 2020?