Hey @okynnor hope all is good.
If appears that the folder you are mounting into the container is not accessible for n8n.
Try to chown this folder recursively and set the user/group to 1000, it should look something like
sudo chown -R 1000:1000 /var/lib/Docker/volumes/Configs/n8n/data
Is there a reason you don’t want to just use regular named volumes?