This is normally caused by a software or browser issue on your device.
Use the Chrome browser and delete browsing data for all time.
Then sign into TurboTax.
Go the 1099-G form and delete it.
Then enter it again, review and retransmit your form.
Errors like that are frustrating, because we see MO, but the software is seeing something else.
Cookies and browser data
Filing a state return
