The system cannot restart because

Configuration
1

The system cannot restart because the configuration is not valid: Unexpected error calling config validator: ‘NodeStrClass’ object has no attribute ‘items’.
Registrador: homeassistant.components.websocket_api.http.connection
Fuente: components/websocket_api/commands.py:303
integración: Home Assistant WebSocket API (documentación, problemas)

2

What version of HA and OS do you have?

3

Hello rafa962,

What was the last thing you changed? It is most likely the problem.
If not that, check everything changed since the last reboot.