'Why I get this error: Couldn't find the node_modules state file - running an install might help (findPackageLocation)?

I tried a lot, but my projects don't run with yarn, while already worked(made with create-react-app).

I tried: yarn install - npm install --global yarn - npm update --global yarn - yarn version apply and ect.

when I run yarn start then:

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Edit1: When I create a new project(with create-react-app), not occur any error. It gives an error only for the previous projects.

I already did yarn install for those directories, and yarn start worked. So run yarn install doesn't fix that. Although when I run run install again, it gives this error:

enter image description here

Edit2: When I remove node_modules and .yarn and yarn.lock, then run yarn install and thenyarn start, it gives another error:

enter image description here

consolecreate-react-appyarnpkg


Solution 1:[1]

You should run

yarn install

before running any npm script (yarn start). It works when you use create-react-app because it installs dependencies by itself.

About the digital envelope error, You get this error because of the NodeJS version (most likely). If you use the latest LTS downgrade to the previous LTS version. You can read more here: ystackoverflow.com/questions/69692842/… Let me know how that goes –

Sources

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Source: Stack Overflow

Solution Source
Solution 1

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