I'm a sole proprietor on Etsy, and I don't have an EIN. How do I enter an EIN for this form?

I'm at the end of the e-file and keep getting this message to check form 1099-NEC and enter an EIN number. I'm a sole proprietor that has been using my SSN but this particular form will not let me use my SSN in this field, what do I do here?

 

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