Invalid configuration object. Webpack has been initialised using a configuration object that does not match the API schema

Invalid configuration object. Webpack has been initialised using a configuration object that does not match the API schema

Feb 6 '17 Comments: 1 Answers: 35

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I have this simple helloworld react app created from an online course, however I get this error:

Invalid configuration object. Webpack has been initialised using a configuration object that does not match the API schema - configuration has an unknown property 'postcss'. These properties are valid: object { amd?, bail?,…

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