The changes you requested to the table were not successful because they would create duplicate values in the index, primary key, or relationship. (Error 3022)

You tried to duplicate a value in a field that is the underlying table's primary key or an index that does not allow duplicates.

The message includes the following instruction: Change the data in the field or fields that contain duplicate data, remove the index, or redefine the index to permit duplicate entries, and try again.