I get the following error when trying to save a Rhino Pollination file as .gem: PO.V1.65.10.0 (Jul 14, 2025) System.TypeLoadException: Could not load type 'Python.Runtime.PyModule' from assembly 'Python.Runtime, Version=3.7.4.0, Culture=neutral, PublicKeyToken=null'. at ModelEditorSDK.Helper.Pyt…

Hi @mosti , See here: [image] Could not load file or assembly 'Python.Runtime' error Rhino Plugin Just to update everyone, BHoM is also using the Python.Runtime, and it is using a different version which causes the conflicts. After disabling BHoM plugins, everything works…

Runtime error - Rhino to IESVE

Rhino Plugin

mostapha (Mostapha) September 17, 2025, 11:32am 2

Hi @mosti,

See here:

Do you have BHOM installed by any chance?