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

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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. 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.