Cant connect own chat with cloud account


Im trying to connect my own instance with my cloud account.
Connectivity Services → Sync and then Login to cloud.

And I get error:

Server Setup Information

  • Version of Rocket.Chat Server: 3.12.3
  • Operating System: Debian 10.8
  • Deployment Method: Docker container
  • Number of Running Instances: 1
  • DB Replicaset Oplog: Enabled
  • NodeJS Version: v12.18.4
  • MongoDB Version: 4.0.21 / mmapv1 (oplog Enabled)
  • Proxy: Traefik
  • Firewalls involved: No

Any additional Information

In my cloud account I see registered instance and push messages working well: