用Aspen Plus自带数据包模拟水洗脱氨出现以下错误，麻烦帮忙看看是什么原因！

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用Aspen Plus自带数据包模拟水洗脱氨出现以下错误，麻烦帮忙看看是什么原因！不会看错在哪！请教高手！
<< Run reinitialized 20:33:34 Sun Jan 25, 2015>>{:1106_380:}



->Processing input specifications ...

      INFORMATION
      THERE ARE HENRY COMPONENTS DEFINED IN THIS CASE, THE BINARY DATABANK
      WILL BE SEARCHED AUTOMATICALLY FOR ANY AVAILABLE HENRY CONSTANTS.

      THE PAIR PARAMETERS FOR ELECNRTL OPTION SET HAS BEEN RETRIEVED FROM
      DATABANK ENRTL-RK.

      INFORMATION
      PURE COMPONENT PARAMETERS FOR SOME COMPONENTS ARE RETRIEVED FROM
      DATABANK.  THESE PARAMETERS ARE USED WITH THE ELECNRTL OPTION SET
      UNLESS YOU ENTER YOUR OWN PARAMETERS IN PROP-DATA PARAGRAPHS.
      PARAMETER THRSWT(ELEMENT/3) RETRIEVED FOR COMPONENT H2O

      PARAMETER PLXANT RETRIEVED FOR COMPONENT H2O

  *   WARNING IN THE "STREAM" PARAGRAPH WHICH BEGINS ON LINE 169
      STREAM NAME: WATER
      COMPONENT MOLE FLOWS OF SUBSTREAM: "MIXED"
      ARE NORMALIZED TO THE TOTAL MOLE FLOW VALUE.

  Flowsheet Analysis :

COMPUTATION ORDER FOR THE FLOWSHEET:
ABSORBER

->Calculations begin ...

      HENRY CONSTANT MODEL HENRY1 HAS MISSING PARAMETERS. PLEASE
      PROVIDE THE MISSING PARAMETERS FOR MAJOR SOLVENTS. THIS ERROR MAY OCCUR
      BECAUSE THE STREAM IS ALL VAPOR, BUT VLE CALCULATION IS REQUESTED.
      TRY SPECIFY VALID-PHASES=VAPOR-ONLY
      HENRY/1ST ELEMENT (DATA SET 1) MISSING FOR SUPERCRITICAL COMPONENT
      NH3 WITH ALL SOLVENTS:
        O2        N2        CO        H2        CH4       C2H4
        C2H6

      H2S WITH ALL SOLVENTS:
        O2        N2        CO        H2        CH4       C2H4
        C2H6

      CO2 WITH ALL SOLVENTS:
        O2        N2        CO        H2        CH4       C2H4
        C2H6

  ****PROPERTY PARAMETER ERROR
      ERRORS ENCOUNTERED IN CALCULATION OF LIQUID MIXTURE PROPS USING
      OPTION SET ELECNRTL FOR PHIMX

! Calculations stopped because of missing  property parameters