Chown: changing ownership of '/config/xxxx': Operation not permitted

chown: changing ownership of ‘/config/nginx/proxy-confs/sickrage.subdomain.conf.sample’: Operation not permitted
chown: changing ownership of ‘/config/nginx/proxy-confs/sickrage.subfolder.conf.sample’: Operation not permitted
chown: changing ownership of ‘/config/nginx/proxy-confs/smokeping.subdomain.conf.sample’: Operation not permitted
chown: changing ownership of ‘/config/nginx/proxy-confs/smokeping.subfolder.conf.sample’: Operation not permitted
chown: changing ownership of ‘/config/nginx/proxy-confs/sonarr.subdomain.conf.sample’: Operation not permitted
chown: changing ownership of ‘/config/nginx/proxy-confs/sonarr.subfolder.conf.sample’: Operation not permitted

logging shows quite some of the above errors.

I’ve done a chmod 777 on all of these, but the problem remains
nevertheless, everything seems to work.
Except that the ‘Live’ links are not updated to the latest renewed keys.
every 2 days new keys are
still using xxx3.pem and already xxx23.pem has been crated

Post the command you used to create the container and give us more info on the path you’re using for config

############################
letsencrypt-nginx:
############################
image: linuxserver/swag:latest
restart: unless-stopped
volumes:
- /volume1/Data/configs/rpi/configs/letsencrypt/config:/config
- /etc/localtime:/etc/localtime:ro
environment:
- PGID=1000
- PUID=1000
- EMAIL=xxx.yyyyyyyy@zzz.com
- URL=xxxxx.duckdns.org
- VALIDATION=duckdns
- DUCKDNSTOKEN=xyxyxyxyxyxyxyxyxyxyxyxxy
- TZ=Europe/Brussels
ports:
- “80:80”
- “443:443”
container_name: letsencrypt-nginx

What’s the host os?
Is that volume1 location a remote mount?

host os is Linux raspberrypi 5.4.65-v7l+
volume1 is samba mount from Synology