Relay menu missing on Cerbo GX (GUI-v2 / Venus OS 3.79) - Cannot set Relay 1 to Manual for Node-RED

Q&A and troubleshooting
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Hi,

​I am running Venus OS Large v3.79 on a Cerbo GX with the new GUI-v2 interface.

I am trying to control a relay strictly via Node-RED (victron-output-relay node) based on custom SOC and load logic.

​Problem:

In GUI-v2, the Relay submenu under Settings > Integrations is completely missing / empty. Because of this, I cannot change Relay 1 to Manual / User defined.

As a result, Node-RED cannot access Relay 1 (shows a red permission error on the node).

​What I checked:

  1. ​AC Input 1 is set to Grid (not Generator).
  2. ​No generator assistant is active.
  3. ​Under Settings > General > Display & Appearance, the Remote Console interface is set to Classic UI, but VRM forces GUI-v2 when accessed remotely (“Forced by VRM to auto”).

​How can I force Relay 1 to Manual mode under GUI-v2 / Venus OS v3.79 so that Node-RED gets full control over the Cerbo GX physical relay?

​Thanks for your help!