fix this time

bootstrap.config.prod.js

@@ -1,4 +1,4 @@
 const bootstrapConfig = require('./bootstrap.config.js');
 const ExtractTextPlugin = require('extract-text-webpack-plugin');
-bootstrapConfig.styleLoader = ExtractTextPlugin.extract('style-loader!css-loader!sass-loader');
+bootstrapConfig.styleLoader = ExtractTextPlugin.extract({fallbackLoader: 'style-loader', loader: 'css-loader!sass-loader'});
 module.exports = bootstrapConfig;

webpack/prod.config.js

@@ -59,7 +59,10 @@ module.exports = {
         }
       ]},
       { test: /\.json$/, loader: 'json-loader'},
-      { test: /\.scss$/, loader: ExtractTextPlugin.extract('style!css?modules&importLoaders=2&sourceMap!autoprefixer?browsers=last 2 version!sass?outputStyle=expanded&sourceMap=true&sourceMapContents=true') },
+      { test: /\.scss$/, loader: ExtractTextPlugin.extract({
+        fallbackLoader: 'style',
+        loader: 'css?modules&importLoaders=2&sourceMap!autoprefixer?browsers=last 2 version!sass?outputStyle=expanded&sourceMap=true&sourceMapContents=true'
+      }) },
       { test: /\.woff(\?v=\d+\.\d+\.\d+)?$/, loader: "url?name=fonts/[name].[ext]&limit=10000&mimetype=application/font-woff" },
       { test: /\.woff2(\?v=\d+\.\d+\.\d+)?$/, loader: "url?name=fonts/[name].[ext]&limit=10000&mimetype=application/font-woff" },
       { test: /\.ttf(\?v=\d+\.\d+\.\d+)?$/, loader: "url?name=fonts/[name].[ext]&limit=10000&mimetype=application/octet-stream" },