What information is missing? Please copy and paste in the error message you are receiving so we can better assist.
It asks for employer information. My husband has been retired for 10 years, and there is no employer. Why is this form necessary?
It is not necessary.
In TurboTax Online, you can delete the UE form following these instructions:
And at the top of the UE form is a Check Box to Remove this form from the return. Look for this as well to delete the form.