runnig hfss with matlab

I am using HFSS-MATLAB-API but I faced a problem. I realy appreciate if you help me.

I wrote a MATLAB m-file to open an existing HFSS project, solve it and export the data as an m-file.

The problem is although the project is opened and saved in "tmpPrjFile" it is n't solved.
HFSS window pops up and then closes without running any simulation.


thank you in advance.