Please edit you post and correct the code , as it needs to be posted correctly
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
```
You can edit and correct your post by clicking the pencil icon.
See this post for more details - How to share code or flow json
Also it is very difficult to diagnose issues without example input.
Copy first 5 lines of csv file and paste them in a template node, then create a example flow using template rather than file read node. Paste example flow here as shown above.
How to import/export a flow