Cannot be installed on Node-red 4.0.9

[aadje93]

Salutation (i'll not respond to users that doesn’t wrote at least "Hello")
Hi there, Adriaan here from the Netherlands trying out your package to replace huemagick to try out if there is less delay on it.
Describe the bug
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Unfortunatly i cannot get it installed,

I get the following error:

`-----------------------------------------------------------
2025-05-07T19:43:34.302Z Install : node-red-contrib-knx-ultimate 3.3.36

2025-05-07T19:43:36.173Z npm install --no-audit --no-update-notifier --no-fund --save --save-prefix=~ --omit=dev --engine-strict [email protected]
2025-05-07T19:43:36.854Z [err] npm error code EBADENGINE
2025-05-07T19:43:36.854Z [err] npm error engine Unsupported engine
2025-05-07T19:43:36.854Z [err] npm error engine Not compatible with your version of node/npm: [email protected]
2025-05-07T19:43:36.854Z [err] npm error notsup Not compatible with your version of node/npm: [email protected]
2025-05-07T19:43:36.854Z [err] npm error notsup Required: {"node":">=20.18.1"}
2025-05-07T19:43:36.854Z [err] npm error notsup Actual: {"npm":"10.8.2","node":"v18.20.7"}
2025-05-07T19:43:36.855Z [err] npm error A complete log of this run can be found in: /data/.npm/_logs/2025-05-07T19_43_36_234Z-debug-0.log
2025-05-07T19:43:36.861Z rc=1

`
To Reproduce
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1. Go to package manager and install
2. Click on '....'
3. Scroll down to '....'
4. See error

Its on node red v4.0.9 running on a Truenas Scale system using built in app manager.
Expected behavior
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Seems kinda logical, get your awsome package installed :)
Screenshots
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Knx-Ultimate Version

• Eg. 2.3.5

Are you running node-red behind homematic, docker or anything similar?
Running node-red on Truenas Scale app section official package. I think it runs on Docker?

Additional context
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[Supergiovane]

Hi

2025-05-07T19:43:36.854Z [err] npm error notsup Required: {"node":">=20.18.1"}

You need to upgrade node.js to at least 20.18.1