ORA-28067
        missing or invalid column name
        
        
        Cause
        An invalid column name was specified in the COLUMN_NAME parameter when a column name was required. Note that when using DBMS_REDACT.ALTER_POLICY, the default action is DBMS_REDACT.ADD_COLUMN.
        Action
        Specify a valid column name.
        
     
    
    
        ORA-28067
        missing or invalid column name
        
        
        Cause
        A valid column name was not specified in the COLUMN_NAME parameter when a column name was required. Note that when using DBMS_REDACT.ALTER_POLICY, the default action is DBMS_REDACT.ADD_COLUMN
        Action
        Specify the name of a column.
        
     
    
    
        ORA-28067
        missing or invalid column name
        
        
        Cause
        A valid column name was not specified in the COLUMN_NAME parameter when a column name was required. Note that when using DBMS_REDACT.ALTER_POLICY, the default action is DBMS_REDACT.ADD_COLUMN
        Action
        Specify the name of a column.