Error when using lodash / underscore

[ThomasDeutsch]

when i require('lodash') in one of my webpack modules, i get this error:

Module build failed: Error: Callback was already called.
at c:\dev\slideshow\node_modules\sweetjs-loader\node_modules\async\lib\async.js:22:31
at c:\dev\slideshow\node_modules\sweetjs-loader\node_modules\async\lib\async.js:229:17
at c:\dev\slideshow\node_modules\sweetjs-loader\index.js:21:4