You may enter your W-2 manually by typing it in yourself) instead of importing it.
However, will need to get a physical copy from your employer or a way to download and print your W-2 from your employer.
TurboTax Expert DawnC has instructions for another option below.
"You can file a conventional paper return that includes IRS Form 4852 if you haven't been able to get a W-2 from your employer. Here's how to fill one out:
Note: Returns including Form 4852 can't be e-filed because of IRS regulations."
See TurboTax Expert DawnC's original post HERE answering a similar question.