Fail to connect Python3 manage.py runserver

Try to connect django website but before i recode those file as Mosh sir instructed easily connected the server but failing now. So, how can i fix this issue and also how can overcome it?
kindly help me out. I hope get help from you all shortly.
Thanks in advance.

Pls I can’t see the picture very well, check out my facebook group and get expert answers to your question