再次求助：FD做fence问题出错

hylovegj

用MATLAB组件和Calculation组件做fence问题都没错误，但用Simcode组件做时出现如下错误：
Component "Optimization1.FENCE" failed execution.
Command Execution Failed due to exception.
      com.engineous.sdk.runtime.RtException: Command Execution Failed due to exception.
      at com.engineous.component.oscommand.OSCommand.execute(OSCommand.java:384)
      at com.engineous.component.simcode.SimcodeWrapper.execute(SimcodeWrapper.java:134)
      at com.engineous.system.station.CompRunner.executeComponent(CompRunner.java:2146)
      at com.engineous.system.station.CompRunner.run(CompRunner.java:1079)
Command execution failed: D:\iSIGHT_Nastran\FENCE.EXE
      com.engineous.common.Util$SysCommandFailedException: Command execution failed: D:\iSIGHT_Nastran\FENCE.EXE
      at com.engineous.common.Util.runSystemCommandStreams(Util.java:708)
      at com.engineous.component.oscommand.OSCommand.execute(OSCommand.java:254)
      at com.engineous.component.simcode.SimcodeWrapper.execute(SimcodeWrapper.java:134)
      at com.engineous.system.station.CompRunner.executeComponent(CompRunner.java:2146)
      at com.engineous.system.station.CompRunner.run(CompRunner.java:1079)
CreateProcess: D:\iSIGHT_Nastran\FENCE.EXE error=87
      java.io.IOException: CreateProcess: D:\iSIGHT_Nastran\FENCE.EXE error=87
     at java.lang.Win32Process.create(Native Method)
     at java.lang.Win32Process.<init>(Win32Process.java:66)
     at java.lang.Runtime.execInternal(Native Method)
     at java.lang.Runtime.exec(Runtime.java:566)
     at com.engineous.common.Util.runSystemCommandStreams(Util.java:544)
     at com.engineous.component.oscommand.OSCommand.execute (OSCommand.java:254)
     at com.engineous.component.simcode.SimcodeWrapper.execute(SimcodeWrapper.java:134)
     at com.engineous.system.station.CompRunner.executeComponent(CompRunner.java:2146)
     at com.engineous.system.station.CompRunner.run(CompRunner.java:1079)
请高手指点到底出了什么问题。紧急！在线等！谢谢！