Error Message FRITZ!Box 7590 AX
**Describe the bug**
Following error message occurs when connecting to a FRITZ!Box 7590 AX

`[11/2/2022, 4:48:28 AM] [FritzPlatform] AVM Fritz!Box 7590 AX (dsl): An error occured during getting state!
[11/2/2022, 4:48:28 AM] [FritzPlatform] Error: Internal Server Error
    at Object.exports.request (/volume1/homebridge/node_modules/homebridge-fritz-platform/node_modules/@seydx/fritzbox/lib/request.js:78:21)
    at runMicrotasks (<anonymous>)
    at processTicksAndRejections (node:internal/process/task_queues:96:5)
    at exports.requestXml (/volume1/homebridge/node_modules/homebridge-fritz-platform/node_modules/@seydx/fritzbox/lib/request.js:230:20)
    at Service.execAction (/volume1/homebridge/node_modules/homebridge-fritz-platform/node_modules/@seydx/fritzbox/lib/service.js:133:20)
    at Handler.get (/volume1/homebridge/node_modules/homebridge-fritz-platform/src/accessories/router/router.handler.js:101:28)
    at Handler.poll (/volume1/homebridge/node_modules/homebridge-fritz-platform/src/accessories/router/router.handler.js:979:11) {
  title: 'Invalid Response',
  code: 500,
  soap: {
    errorCode: '401',
    errorDescription: 'Invalid Action',
    action: 'urn:dslforum-org:service:WANPPPConnection:1#GetInfo'
  },
  url: 'https://name:password@nnn.nnn.nnn.nnn:49443/upnp/control/wanpppconn1'
}
`

**Expected behavior**
No error message

**Desktop (please complete the following information):**
 - OS: Synology DSM 7.1.1-42962 Update 1 
 - Browser Safari latest version
 - Version homebridge-fritz-platform V.6.0.19

Everything else seems to work well and as expected