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@Lord Happy wrote:

I enter the DE's name as it appears in the operating agreement, the human's SSN, and choose DE for partner entity type. 

A little further down there is a prompt to enter the DE's name and TIN...which is what I entered in the name and ID field in the first place.

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I think your first sentence above is for Box E and F of the K-1, should show the human's name and ID number, so you don't enter the name of the LLC there.

I think your second sentence above is for Box H2 of the K-1, and the TIN should show "None".  If that software gives you an error with "None", that is a software error that needs to be corrected.

https://www.irs.gov/instructions/i1065#idm140377965267840