Expense Report Export errors with invalid supplier site

We have an employee where the 'HOME' site on the employee record has been end dated and a new site was created.  Her expense report is failing in the export program with the message that the supplier site is invalid.  Does the site for an employee vendor need to be named HOME in order for the report to export correctly?  If that isn't the case any help in determining where I might find the issue would be greatly appreciated.