Honey bee plus: 1. Solution exception:len() of unsized object

I try to evaluate this sunlight file in honey bee plus. But I get this message:  1. Solution exception:len() of unsized object

            {0;0;0}
0. Runtime error (TypeErrorException): len() of unsized object
1. Traceback:
  line 96, in join, "c:\Program Files\Rhinoceros 5 (64-bit)\Plug-ins\IronPython\Lib\ntpath.py"
  line 102, in openStudioPath, "C:\Users\Jurrijn\AppData\Roaming\McNeel\Rhinoceros\5.0\scripts\honeybee\config.py"
  line 247, in <module>, "C:\Users\Jurrijn\AppData\Roaming\McNeel\Rhinoceros\5.0\scripts\honeybee\config.py"
  line 2, in <module>, "C:\Users\Jurrijn\AppData\Roaming\McNeel\Rhinoceros\5.0\scripts\honeybee\radiance\command\_commandbase.py"
  line 2, in <module>, "C:\Users\Jurrijn\AppData\Roaming\McNeel\Rhinoceros\5.0\scripts\honeybee\radiance\command\gendaymtx.py"
  line 3, in <module>, "C:\Users\Jurrijn\AppData\Roaming\McNeel\Rhinoceros\5.0\scripts\honeybee\radiance\command\__init__.py"
  line 7, in <module>, "C:\Users\Jurrijn\AppData\Roaming\McNeel\Rhinoceros\5.0\scripts\honeybee\radiance\__init__.py"
  line 3, in <module>, "C:\Users\Jurrijn\AppData\Roaming\McNeel\Rhinoceros\5.0\scripts\honeybee\_hbanalysissurface.py"
  line 1, in <module>, "C:\Users\Jurrijn\AppData\Roaming\McNeel\Rhinoceros\5.0\scripts\honeybee\hbsurface.py"
  line 1, in <module>, "C:\Users\Jurrijn\AppData\Roaming\McNeel\Rhinoceros\5.0\scripts\honeybee_grasshopper\hbsurface.py"
  line 44, in script
  line 53, in __init__, "C:\Users\Jurrijn\AppData\Roaming\McNeel\Rhinoceros\5.0\scripts\honeybee\config.py"

It seems a problem with python.. Thanks in advance for any help.