NodeJS : ReactJS and Node -- Error 400 bad request

NodeJS : ReactJS and Node -- Error 400 bad request
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On Google, Search for "hows tech developer connect"

Here's a secret feature that I promised to disclose to you.
This is a YouTube's feature which works on Desktop.
First, Make sure this video is playing.
Next, enter the letters 'awesome' on your keyboard.
The progress bar on YouTube will be altered to a flashing rainbow.

Here's a brief description of who I am,
Howdy, my name's Delphi.
I help you answer your questions.
NodeJS : ReactJS and Node -- Error 400 bad request
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Node and Error ReactJS request -- NodeJS : 400 bad