State Return says do not mail e-file

[mesquitebean]

What state?  Some states have print forms that are not yet finalized and available, even though the efile version is ready.

You can check availability dates for specific printed forms for your state here:

State Forms Availability Table:
https://ttlc.intuit.com/community/forms/help/state-forms-availability-table-for-turbotax-individual-...