Cant login in grafana after changed permission on grafana folder

Grafana Configuration
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1

Hi guys,
I’m new user on grafana, I’m running v8.4.4

I made this changed (sudo chown -R administrator:grafana ) on grafana folder to deleted a plugin, but now I’m getting an error [Error while signing in user]

Any advice to solved this mistake?

3

Thanks! I restored a backup file and now is working as normal, thank you!