FYI, there was a difficulty associated with the 2021 version of TurboTax Business that might cause the OP's problem if you claimed a PPP loan forgiveness in the BUSINESS INFO section of the interview process.
Following the steps in the following link got rid of the problem for me: https://ttlc.intuit.com/turbotax-support/en-us/help-article/payroll-protection-program/change-ppp-lo...
