Fix: Error: <class ‘PermissionError’>, [Errno 13] Permission denied: file: /usr/lib/python3/dist-packages/supervisor/xmlrpc.py line: 560

Step 1

chmod -R o+rx /home/[frappe_user]

Step 2:

sudo nano /etc/supervisor/supervisord.conf

(Add these lines under [unix_http_server])

chmod=0760
chown=frappe:frappe

Step 3: Restart supervisor

sudo -A systemctl restart supervisor