@Anonymous - sorry - did not see that... did you try any of these 'hints' - some have posted these as helpful
type you address EXACTLY as it appears on your tax return.. Try ALL CAPS
social security number must have the dashes included XXX-XX-XXXX
date must have leading zeros if necessary (e,.g. April is "04" not "4')
AGI is line 7 on your 2018 return and line 8B on your 2019 return. Refund is line 21a of the 2019 tax return. and line 20a for 2018
if you are filing married,..... try your spouse's information.
