Why..... [error] [Barcode Decoder:Qrdecode] NotFoundException: No MultiFormat Readers were able to detect the code

[Colin]

Hi, in order to make code more readable and importable it is important to surround your code with three backticks
```
like this
```

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See this post for more details - How to share code or flow json

Also tell us which node you are using, node-red-contrib-something probably.