<str> does not pass the data type for parameter <str> by
  descriptor

  Explanation:  The language specified in the LANGUAGE clause of
  the module will not support the data type specified for this
  parameter by descriptor.  However, you can build a descriptor as
  a record and pass the descriptor.  Hence, this is only a
  warning.

  User Action:  If you did not intend to pass the data type by
  descriptor, change the passing mechanism in the SQL module and
  in the host language.