spectre仿真报错，这是怎么回事？

ERROR (ADE-3023): Unable to locate spectre executable in the specified path. Ensure that
the executable is present in the path or to set the correct path, use
the setShellEnvVar() in Command Interpreter Window (CIW).

I have same problem

MMSIM安装目录下
ln -s tools.lnx86 tools