1) Check RFEM6/RSTAB9 version
This BIM link based on Dlubal API works only with version 6.14/9.14 or later.
2) Make sure the Dlubal API gRPC is activated in Program options

3) Make sure the API Key is saved
If the user generates a new API key and copies it without saving it, the following error occurs:

The API key must be saved first, otherwise, it is not valid.

4) Check that RFEM6/RSTAB9 application is open
If the user runs the IDEA StatiCa 26.0 for RFEM 6 (gRPC) application without launching RFEM/RSTAB, the following error appears. The application must be running with an open and saved project.

5) How to deactivate the Dlubal API-Key
Dlubal API Key credentials can be remove through the Windows Credential Manager.
