Proto files are not showing up / Self-Hosted in Kubernetes with helm

we installed self-hosted in Kubernetes with helm and followed the instructions under: Deploy Retool on Kubernetes using Helm | Retool Docs to copy the proto files.
Unfortunately they are not showing up when trying to create a ressource:

Do you have any idea how to solve the problem / check the cause for it?
Thank you!

Found the solution (we cannot run the pods as root). So no further answer needed