Issue with HB Run IDF

Having trouble running multiple IDFs in parallel. Getting the following error. Any suggestions appreciated!

Runtime error (AggregateException): One or more errors occurred.

Traceback:
line 182, in run_function_in_parallel, “C:\Program Files\ladybug_tools\python\Lib\site-packages\ladybug_rhino\grasshopper.py”
line 123, in script