Duplicate key value issue

I am seeing an error " Table ‘Customers’ has duplicate key value ‘’ in the key columns of rows 2 and 3." I only have one column identified as a key. Not sure why it thinks I have two columns as key. Please review the attached picture.

It doesn’t think you have two columns as key. It is telling you that you have 2 records that have the same key value, specifically in row 2 and 3.


Oh. I didn’t realize it was related to the underlying data. Thank you!

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