set MSPM_DATA_DIR=C:\data\mspm mspm-source.exe
The developer had built the executable on a system with rasterio version 1.3.0, but the user's machine had a conflicting gdal.dll in their PATH. The fix was to delete the local gdal.dll from the system folder and rely entirely on the DLLs bundled with the executable’s internal folder. failed to execute script mspm-source
If you are the developer who packaged mspm-source : set MSPM_DATA_DIR=C:\data\mspm mspm-source