I am trying to do a sample webpart.

While running any of the below commands, it is showing the same error as shown in the image:

  • gulp trust-dev-cert
  • gulp serve
  • gulp build

enter image description here

Can anyone help me on this error?

3 Answers 3


Your probably have your project in a folder beneath it and your current directory D:\SPFXWebpart does not contain a gulpfile.

So CD into that folder and try to run your gulp task.


enter image description here

Above are the project files in the image. And I have gulpfile.js in same Directory[D/SPFXWebpart] and I ran the gulp command under the same directory.

Any suggestions where I am doing wrong?


Reinstalling gulp-cli worked for me:

npm install -g gulp-cli

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