aspen plus灵敏度分析

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做灵敏度分析时，出现如下错误，求助！！！！！
  *** SEVERE ERROR
      ERROR COMPILING IN-LINE FORTRAN
      COMPILER MESSAGES FOLLOW ...


ASPCOMP: Warning!  Intel Fortran compiler ifort.exe not found in %PATH%
ASPCOMP: Warning! Microsoft C runtime library msvcrt.lib not found in %LIB%
ASPCOMP: Warning! Microsoft C runtime library is needed for Dynamic Linking.
ASPCOMP: Warning!  Intel Fortran runtime library libifcoremd.lib not found in %
ASPCOMP: Warning!  Intel Fortran runtime library is needed for Dynamic Linking.
ifort.exe /nologo /c     -DAWINNTN -DWIN32 -I. "-IC:\Program Files (x86)\AspenT
'ifort.exe' 不是内部或外部命令，也不是可运行的程序
或批处理文肌?

'ifort.exe' 不是内部或外部命令，也不是可运行的程序

或批处理文肌?


  *** SEVERE ERROR
      COULD NOT RESOLVE USER OR IN-LINE FORTRAN SUBROUTINE(S):

      SUBROUTINE "ZZSENS" IS MISSING

  *** SEVERE ERROR
      PROGRAM TERMINATED DUE TO UNRESOLVED ROUTINES

! Errors while processing input specifications