Home/ Questions/Recommendation for the cannot read property 'thiscompilation' of undefined error
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Kaden Lam
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Asked: 2022-05-18T21:09:04+00:00 In:

Recommendation for the cannot read property ‘thiscompilation’ of undefined error

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I get an error

Cannot read property 'thisCompilation' of undefined

when trying to run the command ‘ng serve’ in the latest version of Visual Studio Code. How to fix the cannot read property ‘thiscompilation’ of undefined error? Please give me some advice.

cannot read property thiscompilation of undefined
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2 Answers

  1. Best Answer
    Expert

    The cause: I think this error happens because you don’t uninstalling and reinstalling the latest webpack and cli.

    Solution: After you uninstalling and reinstalling the latest webpack and cli, please run ng serve and it compiled successfully.

    To remove the webpack: 

    npm remove webpack

    To install: 

    npm install --save-dev @angular/cli@latest
    • 0

  2. This was solved by uninstalling webpack. I then downloaded the 3.11.0 version. 

    npm remove webpack

npm install [email protected]
    • 21

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