'What is this buildpack error?

I am trying to deploy a react app bootstrapped with create-react-app to heroku. The build keeps failing, and I get this error on the command line and in the build log 

 App not compatible with buildpack: 
 https://github.com/AdamT213/RateYourAcquaintance.git
   bash:

/app/tmp/buildpacks/85d7c3f242750d8981190d9ed3f29461a37d776664b86f3dc3263563e08c29443b03b01355b70cb2a4a461abab934f47aa7919c42b019918961b2ebf902b1fa/bin/detect No such file or directory More info: https://devcenter.heroku.com/articles/buildpacks#detection- failure ! Push failed

What does this mean?

herokucreate-react-appbuildpack


Solution 1:[1]

Okay, I see now. I was trying to set my app's url as the buildpack, when I really need this url: https://github.com/mars/create-react-app-buildpack.git. Makes sense now!

Solution 2:[2]

I would also advise checking what files the gitignore file are ignoring. In particular, the "BUILD" folder needs to not be ignored (and it seems it is by default for me)

Sources

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Source: Stack Overflow

Solution Source
Solution 1 adam tropp
Solution 2 user18945414

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