I'm getting this weird red color texts in my react code

I'm getting this weird red color text in my vscode, the code runs on my localhost(local machine), and also "npm run build" works. But when I try to host it on Vercel it doesn't work. enter image description here. This is my code enter image description here.

The weird text appears everywhere in my code, I don't understand whats happening.enter image description here

I'm trying to host my code that's working on my local machine on vercel and its not working

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