throw new InitializationError()

After added to webpack and run, I have error:
```
....
91% additional asset processingnot an object

TypeError

~/project/node_modules/prepack/lib/prepack-standalone.js:59
throw new InitializationError();
^

Error: An error occurred while prepacking. See the error logs.
at new InitializationError (~/project/node_modules/prepack/lib/prepack-standalone.js:35:14)
at prepack (~/project/node_modules/prepack/lib/prepack-standalone.js:59:11)
at Compilation.compilation.plugin (~/project/node_modules/prepack-webpack-plugin/dist/PrepackPlugin.js:58:56)
at Compilation.applyPluginsAsyncSeries (~/project/node_modules/tapable/lib/Tapable.js:142:13)
at self.applyPluginsAsync.err (~/project/node_modules/webpack/lib/Compilation.js:635:10)
at next (~/project/node_modules/tapable/lib/Tapable.js:138:11)
at Compilation.compilation.plugin.callback (~/project/node_modules/webpack/lib/ProgressPlugin.js:113:6)
at next (~/project/node_modules/tapable/lib/Tapable.js:140:14)
at ExtractTextPlugin. (~/project/node_modules/extract-text-webpack-plugin/index.js:341:4)
at next (~/project/node_modules/tapable/lib/Tapable.js:140:14)
at ExtractTextPlugin. (~/project/node_modules/extract-text-webpack-plugin/index.js:341:4)
at next (~/project/node_modules/tapable/lib/Tapable.js:140:14)
at ExtractTextPlugin. (~/project/node_modules/extract-text-webpack-plugin/index.js:341:4)
at Compilation.applyPluginsAsyncSeries (~/project/node_modules/tapable/lib/Tapable.js:142:13)
at sealPart2 (~/project/node_modules/webpack/lib/Compilation.js:631:9)
at next (~/project/node_modules/tapable/lib/Tapable.js:138:11)
at Compilation.compilation.plugin (~/project/node_modules/webpack/lib/ProgressPlugin.js:109:6)
at next (~/project/node_modules/tapable/lib/Tapable.js:140:14)
at ExtractTextPlugin. (~/project/node_modules/extract-text-webpack-plugin/index.js:313:5)
at ~/project/node_modules/async/dist/async.js:356:16
at iteratorCallback (~/project/node_modules/async/dist/async.js:936:13)
at ~/project/node_modules/async/dist/async.js:840:16
at ~/project/node_modules/extract-text-webpack-plugin/index.js:297:6
at ~/project/node_modules/async/dist/async.js:356:16
at iteratorCallback (~/project/node_modules/async/dist/async.js:936:13)
at ~/project/node_modules/async/dist/async.js:840:16
at ~/project/node_modules/extract-text-webpack-plugin/index.js:294:13
at ~/project/node_modules/async/dist/async.js:3025:16
at eachOfArrayLike (~/project/node_modules/async/dist/async.js:941:9)
at eachOf (~/project/node_modules/async/dist/async.js:991:5)
at Object.eachLimit (~/project/node_modules/async/dist/async.js:3089:3)
```
Packege.json :
```
{
"name": "project",
"version": "0.0.1",
"devDependencies": {
/*....*/
"prepack-webpack-plugin": "^1.1.0",
"webpack": "^2.5.0",
"webpack-dev-server": "^2.4.5"
},
"dependencies": {
/*...*/
}
}
```
webpack config:
```
entry: { /*...*/},
module: {
rules: [
{
test: /\.js$/,
exclude: /node_modules/,
use: [
'react-hot-loader',
'jsx-loader',
{
loader: 'babel-loader',
query: {
presets: ['react', 'es2015', 'stage-0'],
plugins: ['transform-regenerator', 'transform-async-functions', 'transform-react-display-name', 'transform-decorators-legacy', 'transform-react-jsx-img-import'],
cacheDirectory: false
}
}
]
},
/*....*/
]
},
plugins: [
new PrepackWebpackPlugin({}),
/*....*/
]
```