Hello,
1) Open original pmp file outside Design Studio
2) Go to top right hand side corner. Configuration icon will appear as shown below

3) Click on it. Application Setting Page will appear on the screen
4) Click on "Browse Project Directory"

5) Click "Yes" to allow ActiveX control and navigate to project destination in Design Studio workspace
C: \ ...\ MCSPTE1AK144_BLDC_6Step \ Sources \ Config \
6) Once done, click Select. Project path should be like this
Project path: {FM_project_loc}../Sources/Config/
7) Click Store Data and Apply

File generation should work properly.
Regards,
Marek