How to resolve (reading 'isServer') error in npm?

Question

Catch this error after npm i. Version npm - 8.0.0, nodejs - 16.11.0.

npm ERR! Cannot read properties of undefined (reading 'isServer')

Answer 1

I had the same issue with close versions of node and npm. I was using a shared connection from my phone since I wasn't home. When I get back home and used my WiFi things got back to normal.

If you are using such kind of connection then it is probably that causes this issue.

Answer 2

Try to use npm with specific version

for example i was trying to use npm install -g truffle and it did not work

but this one work npm install -g [email protected]

Answer 3

I updated npm and that fixed it! You can update npm like so:

npm install -g npm@latest

If running this command doesn't work then you can try installing npm packages in an Admin Environment.

Hope this helps!

Answer 4

I've got the same issue, then I updated npm to 8.3.0, and the problem is solved.

Answer 5

Copying the npmrc.5 file from: C:\Program Files\nodejs\node_modules\npm\man\man5 to C:\Users\Administrator\AppData\Roaming\npm\node_modules\npm seemed to work for me:

Copy-Item -Path C:\Program Files\nodejs\node_modules\npm\man\man5 -Destination C:\Users\Administrator\AppData\Roaming\npm\node_modules\npm –Passthru

Answer 6

Try stable Nodejs version 14.16.1 instead of 16. Nodejs 14.16.1 Link