You can still e-file the federal, you will need to mail the state. According to the IRS:
How do I sign my tax return when I e-file? You can sign your tax return electronically by using a Self-Select PIN, which serves as your digital signature when using tax preparation software, or a Practitioner PIN when using an Electronic Return Originator (ERO).Nov 4, 2021
from Signing the Return | Internal Revenue Service
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