GUIStudioMDL Crashing - refuses to compile

Every time I hit compile in GUIStudioMDL, it crashes immediately without showing anything in the log. I’ve tried placing it in 3 different places:


And it all has the same results. The QC is loads fine.

GUIStudioMDL is the latest version (V2.2).

Here’s the problem signature, if that’ll help:

Thank you in advance for any help.