Answer:
The model information and loads are imported when opening an old RFEM 4 / RSTAB 7 file. Due to the continuous development of our software and the implementation of new features, processing the results is not always possible. Then, an appropriate information window appears when you open the dialog box.If you want to analyze the results, we recommend opening the file in the corresponding RFEM 4 / RSTAB 7 program version.