ERR_HTTP_HEADERS_SENT / Cannot read properties of undefined

[mStirner]

TypeError: Cannot read properties of undefined (reading 'value')
    at Command.<anonymous> (/home/marc/projects/OpenHaus/backend/plugins/79ff8232-3084-4bbc-8e9c-42bb03203fb0/models/SHRGBW2.js:114:55)
    at Command.trigger (/home/marc/projects/OpenHaus/backend/components/endpoints/class.command.js:246:16)
    at /home/marc/projects/OpenHaus/backend/routes/router.api.endpoints.js:42:21
    at Layer.handle [as handle_request] (/home/marc/projects/OpenHaus/backend/node_modules/express/lib/router/layer.js:95:5)
    at next (/home/marc/projects/OpenHaus/backend/node_modules/express/lib/router/route.js:144:13)
    at Route.dispatch (/home/marc/projects/OpenHaus/backend/node_modules/express/lib/router/route.js:114:3)
    at Layer.handle [as handle_request] (/home/marc/projects/OpenHaus/backend/node_modules/express/lib/router/layer.js:95:5)
    at /home/marc/projects/OpenHaus/backend/node_modules/express/lib/router/index.js:284:15
    at param (/home/marc/projects/OpenHaus/backend/node_modules/express/lib/router/index.js:365:14)
    at paramCallback (/home/marc/projects/OpenHaus/backend/node_modules/express/lib/router/index.js:412:21)
Command timedout! Execution was not successful, worker function: [Function (anonymous)]
node:_http_outgoing:644
    throw new ERR_HTTP_HEADERS_SENT('set');
    ^

Error [ERR_HTTP_HEADERS_SENT]: Cannot set headers after they are sent to the client
    at new NodeError (node:internal/errors:387:5)
    at ServerResponse.setHeader (node:_http_outgoing:644:11)
    at ServerResponse.header (/home/marc/projects/OpenHaus/backend/node_modules/express/lib/response.js:794:10)
    at ServerResponse.send (/home/marc/projects/OpenHaus/backend/node_modules/express/lib/response.js:174:12)
    at ServerResponse.json (/home/marc/projects/OpenHaus/backend/node_modules/express/lib/response.js:278:15)
    at ServerResponse.res.json (/home/marc/projects/OpenHaus/backend/routes/rest-handler.js:35:18)
    at /home/marc/projects/OpenHaus/backend/routes/router.api.endpoints.js:57:25
    at /home/marc/projects/OpenHaus/backend/components/endpoints/class.command.js:234:17
    at Timeout._onTimeout (/home/marc/projects/OpenHaus/backend/helper/timeout.js:47:13)
    at listOnTimeout (node:internal/timers:559:17) {
  code: 'ERR_HTTP_HEADERS_SENT'
}

[mStirner]

I should added more context/details...
Cant remember how this was produced.

Perhaps with the "repeating" (OpenHausIO/frontend#32) command sending from the frontend?