An error occured during getting state!
I found in the Homebridge Log this messages:

> [11/10/2021, 20:25:31] [FritzPlatform] Fritzbox7590 Led (led): An error occured during getting state!
[11/10/2021, 20:25:31] [FritzPlatform] Error: Unauthorized
    at Object.exports.request (/usr/local/lib/node_modules/homebridge-fritz-platform/node_modules/@seydx/fritzbox/lib/request.js:78:21)
    at runMicrotasks (<anonymous>)
    at processTicksAndRejections (internal/process/task_queues.js:95:5)
    at exports.requestXml (/usr/local/lib/node_modules/homebridge-fritz-platform/node_modules/@seydx/fritzbox/lib/request.js:230:20)
    at Service.execAction (/usr/local/lib/node_modules/homebridge-fritz-platform/node_modules/@seydx/fritzbox/lib/service.js:133:20)
    at Handler.get (/usr/local/lib/node_modules/homebridge-fritz-platform/src/accessories/router/router.handler.js:350:28)
    at Handler.poll (/usr/local/lib/node_modules/homebridge-fritz-platform/src/accessories/extras/extras.handler.js:783:13) {
  title: 'Invalid Response',
  code: 401,
  soap: {},
  url: 'https://Homebridge:xxxxxx@192.168.2.2:49443/upnp/control/deviceconfig'
}

The strange thing everything seems to work no problems for me.
Homebridge v1.3.5 Plugin version 6.0.19