Expression.error the column of the table wasn't found Excel

Hello Everyone or Anyone.

Can You help me out with something.

I am trying to refresh my data links.

But I am getting an error that says: "expression.error the column of the table wasn't found"

How can I fix this?

Please if you are welling, please view.

Thanks in advance....

Hello,

What is the object of the "Added prefix" steps?

Regards.

"Hello,

What is the object of the "Added prefix" steps?

Regards."

Is to change the "Reference" column to "DATE" format

Hello,

I reviewed the PMI request.

Is this the expected result?

I see. The website site have updated it column to "Reference". Before it was "Blank" no wording under the column. Thanks again. Greatly appreciated.