Here is the link, can someone fork it and make the necessary changes and give me back the link, I can not do this anymore.. its a personal project but im a newbie and my head hurts so much

https://codesandbox.io/p/sandbox/medical-lab-l2h668?file=%2Fsrc%2FApp.js%3A1%2C1

thanks in advance kind hearts <3

The main problem is with the error Error
You cannot render a inside another . You should never have more than one in your app.

I looked here but whatever I do it doesnt’t work, so I couldn’t also see my project.. if you can make it pretty..