10000471 
Message
Vendor cannot have more than one row with the same "1099 Forms" or "1099 Boxes" combination
Diagnosis
In the 
Administration
System Initialization Opening
Balances 1099 Opening Balance
path, you have created a 1099 Opening Balance report.
You have attempted to add a new row or update an existing row where the Vendor
Code column, 1099 Form column,
and 1099 Box column values are identical. You
have chosen Update.
Procedure
In the 1099 Opening Balance window, make sure that there are no rows containing identical Vendor Code column, 1099 Form column, and 1099 Box column values.