ORA-23368: name [string] cannot be null or the empty [string]
Cause: Argument "sname1," "sname2," "oname1," "oname2," "missing_rows_sname," "missing_rows_oname1," "missing_rows_oname2" to "differences()" or "rectify()" cannot be NULL or '''' (empty string).
Action: Change argument to non-null or non-empty string.
Error Type: ORA