not work whit webpack 3.x and plugin extract-text-webpack-plugin

[jpolstre]

C:\Users\mcg-001245\Desktop\p\node_modules\webpack\lib\Chunk.js:64
return this.entrypoints.length > 0;
^

TypeError: Cannot read property 'length' of undefined
at Chunk.isInitial (C:\Users\mcg-001245\Desktop\p\node_modules\webpack\lib\C
hunk.js:64:26)
at isInitialOrHasNoParents (C:\Users\mcg-001245\Desktop\p\node_modules\extra
ct-text-webpack-plugin\index.js:24:22)
at ExtractTextPlugin. (C:\Users\mcg-001245\Desktop\p\node_modules
\extract-text-webpack-plugin\index.js:306:9)
at Array.forEach (native)
at ExtractTextPlugin. (C:\Users\mcg-001245\Desktop\p\node_modules
\extract-text-webpack-plugin\index.js:305:21)
at C:\Users\mcg-001245\Desktop\p\node_modules\async\dist\async.js:421:16
at iteratorCallback (C:\Users\mcg-001245\Desktop\p\node_modules\async\dist\a
sync.js:998:13)
at C:\Users\mcg-001245\Desktop\p\node_modules\async\dist\async.js:906:16
at C:\Users\mcg-001245\Desktop\p\node_modules\extract-text-webpack-plugin\in
dex.js:301:6
at C:\Users\mcg-001245\Desktop\p\node_modules\async\dist\async.js:421:16