How do I correct F1040-516 and refile electronically?
See this TurboTax support FAQ for the IRS error code you received - https://ttlc.intuit.com/turbotax-support/en-us/help-article/mobile-apps/fix-e-file-reject-f1040-516/L58rtoh6A_US_en_US?uid=lux5hh6c