Error OCP\Files\NotPermitted Exception occurs every 15 minutes

ℹ️ Support 📦 Appliances (Docker, Snappy, VM, NCP, AIO)
12

There seems to be a solution:

https://help.nextcloud.com/t/will-not-be-accessible-due-to-incompatible-encoding/86612

So I have to install convmv, in the Docker image or on Unraid?