You really haven't provided enough information. What are the nodes you are toying with?
What version of NR and node.js are you using? (check the NR startup log)
Are you using Docker or Home Assistant?
Can you provide your flow so we can take a look a it?
In order to make code readable and usable it is necessary to surround your code with three backticks (also known as a left quote or backquote ```)
```
code goes here
```
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icon.
See this post for more details - How to share code or flow json
