Node-red is already running.
Close all instances then start the services.
If you are unsure how, the quickest resolution is to reboot the device (to kill running node-red) and let the service autostart.
Ps, please post logs and code in a code block
In order to make code/logs 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