求助下这是什么问题啊，谢谢哈

百里酚蓝1

      VISCOSITY MODEL MUL0ANDR HAS MISSING PARAMETERS:
      MULAND/1ST ELEMENT (DATA SET 1) MISSING FOR COMPONENT 2-MET-01

  ****PROPERTY PARAMETER ERROR
      ERRORS ENCOUNTERED IN CALCULATION OF LIQUID MIXTURE PROPS USING
      OPTION SET RK-SOAVE FOR MUMX.

! Calculations stopped because of missing  property parameters