o  filter in error

    One or more of the filters named in the filters
    characteristic does not exist, or is in use.

 o  insufficient information

    One or more characteristics have not been specified.

 o  non null file value

    If type is x29 login, the file characteristic must have a null
    value.

 o  non null user value

    If type is x29 login, the user characteristic must have a null
    value.