Honeybee VSC additionalRadFiles_

Hello community

Can anyone tell me why I can not make a VSC calculation using additionalRadFiles_ via the MESH2RAD function.

If I do not plug in a HBsurface it will not calculate. And if I do plug in a HBsurface (only to trigger the calculation) I get an error message.

File screen shot attached and files attached.

What am I doing wrong???

Thankyou

Test2.png

Test1.png