Npm Packages, modules.js:Cannot read property '_handle' of undefined

help
1

Installed npm package
meteor npm install --save i escpos
trying to use package as
import escpos from 'escpos';
but getting error over it.

2428×926 204 KB

2

SOLVED.
forgot to mention package in meteor’s packages file.

3

Could you/somone else say what do you mean by “forgot to mention package in meteor’s packages file”? I have the same error. Thanks