yaml error

[abiodunpk]

Hii Suess, the config.yml line throws up the error below when I run: expected str, bytes or os.pathlike object, not nonetype

what could be wrong? It's not the SUMO_HOME path/environmental variables since I've made sure to confirm it's been added.

Would appreciate the help. Got a presentation in a few days. Thanks a lot!

[AlphaGoooo]

i also meet this situation and have no idea what to do