Module not found

[LaPriWa]

Following error when used in a project created with Vue-CLI:

quandl sync?9281:2 Uncaught Error: Cannot find module '//quandl'
    at webpackEmptyContext (eval at ./node_modules/quandl sync recursive (app.js:1765), <anonymous>:2:10)
    at Object.eval (main.js?a574:2)
    at eval (main.js:11)
    at Object../node_modules/quandl/main.js (app.js:1776)
    at __webpack_require__ (app.js:724)
    at fn (app.js:101)
    at eval (cjs.js?!./node_modules/babel-loader/lib/index.js!./node_modules/cache-loader/dist/cjs.js?!./node_modules/vue-loader/lib/index.js?!./src/components/QuandlData.vue?vue&type=script&lang=js&:2)
    at Module../node_modules/cache-loader/dist/cjs.js?!./node_modules/babel-loader/lib/index.js!./node_modules/cache-loader/dist/cjs.js?!./node_modules/vue-loader/lib/index.js?!./src/components/QuandlData.vue?vue&type=script&lang=js& (app.js:840)
    at __webpack_require__ (app.js:724)
    at fn (app.js:101)

Is this a problem with webpack?