Direct sun analysis error (1. Solution exception:iteration over non-sequence of type Brep)

Hello everyone! I’m kind of new in Grasshopper/Ladybug and I’m trying to do a sun analysis following this tutorial (Ladybug Direct Sun Analysis in Grasshopper - YouTube) but I have this error message on the final part of the tutorial.

Runtime error (TypeErrorException): iteration over non-sequence of type Brep

line 240, in to_joined_gridded_mesh3d, “C:\Users\josec\ladybug_tools\python\Lib\site-packages\ladybug_rhino\”
line 113, in script

Can you guys help me?

This issue has been reported earlier. Please check this. Also, please check forrum guidelines.