Prysm error after merge

prysm Version: 3.0.2 (v3.1.1 upstream)
level=error msg=“Could not check execution client configuration. You are probably connecting to your execution client on the wrong port. For the Ethereum merge, you will need to connect to your execution client on port 8551 rather than 8545. This is known as the ‘engine API’ port and needs to be authenticated if connecting via HTTP. See our documentation on how to set up this up here Configure JWT authentication | Prysm” error=“method not found” prefix=powchain

Geth Version: 0.1.34 (v1.10.23 upstream)
err=“the method engine_exchangeTransitionConfigurationV1 does not exist/is not available”

Core DAppNode Packages versions

  • 0.2.6
  • 0.2.57
  • 0.2.52, commit: c7c74340
  • 0.1.3
  • 0.2.17
  • 0.2.8, commit: f9a8743e
  • 0.2.8

System info

  • dockerComposeVersion: 1.25.5
  • dockerServerVersion: 19.03.8
  • dockerCliVersion: 19.03.8
  • os: debian
  • versionCodename: bullseye
  • architecture: amd64
  • kernel: 5.9.0-5-amd64
  • Disk usage: 16%

Hi, I’m going through the same issue since The Merge. Any ideas how to troubleshoot this?

I’m trying to configure Prysm to point to the native IP address (eg. “”) rather than geth.dappnode but the UI won’t allow me:

Update: looks like it might be an issue with ports in my router.

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