You can ignore the needs review (it won't prevent e-filing) message as you will go through a complete check before filing to catch any real errors.
Those expenses are not deductible on your federal return and only a few states, see below, allow the deduction. If your state allows the deduction, continue through your return. But if your state does not allow the deduction, you should delete Form 2106.
Can employees deduct W2-Job-Related expenses?
How to delete forms in TurboTax Online
How to delete forms in TurboTax Desktop
The states are:
Alabama
Arkansas
California
Hawaii
Maryland
Minnesota
New York
Pennsylvania
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