- what version of Node-RED and node.js are you running? (You can find this in the NR startup log)
- please export your flow and paste it to a response.
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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See this post for more details - How to share code or flow json