3-2 - Publish or push service failed

Possible Reason

1. The registration center cannot be connected.
2. The registration center cannot provide external services.

Troubleshooting and resolution steps

1. Whether the service and registration center network is normal.
2. Whether the registration center starts normally and can be connected through third-party tools.
3. Whether there is a version compatibility problem between the version referenced by the service and the version of the registration center.