inspectpack: [BUG] Could not analyze bundle problems. Error: Unable to find project root package.json

Whenever I try to start webpack-dashboard the following error occurs:

Could not analyze bundle problems.                                                                          ││                                   │
│ Error: Unable to find project root package.json                                                             ││                                   │
│     at Versions.getData (/Users/ignitestudio1/Sites/bluerock/web/app/themes/theme/node_modules/inspect   ││ Success                           │
│ pack/lib/actions/versions.js:308:14)                                                                        ││                                   │
│     at Bundle.create (/Users/ignitestudio1/Sites/bluerock/web/app/themes/theme/node_modules/inspectpac   ││                                   │
│ k/lib/actions/base.js:97:16)                                                                                │└───────────────────────────────────┘
│     at Immediate.setImmediate (/Users/ignitestudio1/Sites/bluerock/web/app/themes/theme/node_modules/i   │┌─Operation─────────────────────────┐
│ nspectpack/lib/models/bundle.js:278:7)                                                                      ││                                   │
│     at runCallback (timers.js:672:20)                                                                       ││                                   │
│     at tryOnImmediate (timers.js:645:5)                                                                     ││                                   │
│     at processImmediate [as _immediateCallback] (timers.js:617:5)                                           ││ idle (3s)                         │
│ Could not analyze bundle problems.                                                                          ││                                   │
│ Error: Unable to find project root package.json                                                             ││                                   │
│     at Versions.getData (/Users/ignitestudio1/Sites/bluerock/web/app/themes/theme/node_modules/inspect   │└───────────────────────────────────┘
│ pack/lib/actions/versions.js:308:14)                                                                        │┌─Progress──────────────────────────┐
│     at Bundle.create (/Users/ignitestudio1/Sites/bluerock/web/app/themes/theme/node_modules/inspectpac   ││                                   │
│ k/lib/actions/base.js:97:16)                                                                                ││                                   │
│     at Immediate.setImmediate (/Users/ignitestudio1/Sites/bluerock/web/app/themes/theme/node_modules/i   ││                                   │
│ nspectpack/lib/models/bundle.js:278:7)                                                                      ││ 0%                                │
│     at runCallback (timers.js:672:20)                                                                       ││                                   │
│     at tryOnImmediate (timers.js:645:5)                                                                     ││                                   │
│     at processImmediate [as _immediateCallback] (timers.js:617:5)  

The project I’m working on is a WordPress project. Webpack is started from the theme folder which lives in /web/app/themes/theme/package.json.

My webpack.config.js is as follows:

'use strict'; // eslint-disable-line

const webpack = require('webpack');
const path = require('path');
const merge = require('webpack-merge');
const CleanPlugin = require('clean-webpack-plugin');
const ExtractTextPlugin = require('extract-text-webpack-plugin');
const BundleAnalyzerPlugin = require('webpack-bundle-analyzer').BundleAnalyzerPlugin;
var DashboardPlugin = require('webpack-dashboard/plugin');
const StyleLintPlugin = require('stylelint-webpack-plugin');

const CopyGlobsPlugin = require('copy-globs-webpack-plugin');
const config = require('./config');

const assetsFilenames = (config.enabled.cacheBusting) ? config.cacheBusting : '[name]';
const sourceMapQueryStr = (config.enabled.sourceMaps) ? '+sourceMap' : '-sourceMap';

let webpackConfig = {
  context: config.paths.assets,
  entry: config.entry,
  devtool: (config.enabled.sourceMaps ? '#source-map' : undefined),
  output: {
    path: config.paths.dist,
    publicPath: config.publicPath,
    filename: `scripts/${assetsFilenames}.js`,
  },
  stats: {
    hash: false,
    version: false,
    timings: false,
    children: false,
    errors: false,
    errorDetails: false,
    warnings: false,
    chunks: false,
    modules: false,
    reasons: false,
    source: false,
    publicPath: false,
  },
  module: {
    noParse: [
      /node_modules[\\/]video\.js/,
    ],
    rules: [
      {
        enforce: 'pre',
        test: /\.js?$/,
        include: config.paths.assets,
        use: 'eslint',
      },
      {
        enforce: 'pre',
        test: /\.vue$/,
        use: 'eslint',
        exclude: /node_modules/,
      },
      {
        test: /\.js$/,
        exclude: [/(node_modules|bower_components)(?![/|\\](bootstrap|foundation-sites))/],
        include: [config.paths.assets, path.join(process.cwd(), 'vendor/igniteonline')],
        use: [
          {loader: 'cache'},
          {
            loader: 'babel',
            query: {
              presets: [[path.resolve('./node_modules/babel-preset-es2015'), { modules: false }]],
              cacheDirectory: true,
            },
          }],
      },
      {
        test: /\.css$/,
        include: config.paths.assets,
        use: ExtractTextPlugin.extract({
          fallback: 'style',
          use: [
            {loader: 'cache'},
            `css?${sourceMapQueryStr}`,
            {
              loader: 'postcss',
              options: {
                sourceMap: true,
                config: {
                  path: path.join(process.cwd(), 'resources/assets/build'),
                },
              },
            },
          ],
        }),
      },
      {
        test: /\.scss$/,
        include: config.paths.assets,
        use: ExtractTextPlugin.extract({
          fallback: 'style',
          use: [
            {loader: 'cache'},
            `css?${sourceMapQueryStr}`,
            {
              loader: 'postcss',
              options: {
                sourceMap: true,
                config: {
                  path: path.join(process.cwd(), 'resources/assets/build'),
                },
              },
            },
            `resolve-url?${sourceMapQueryStr}`,
            `sass?${sourceMapQueryStr}`,
          ],
        }),
      },
      {
        test: /\.(png|jpe?g|gif|svg|ico)$/,
        include: config.paths.assets,
        exclude: path.join(config.paths.assets, 'images/admin'),
        loader: 'file',
        options: {
          name: `[path]${assetsFilenames}.[ext]`,
        },
      },
      {
        test: /\.(png|jpe?g|gif|svg|ico)$/,
        include: path.join(config.paths.assets, 'images/admin'),
        loader: 'file',
        options: {
          name: '[path][name].[ext]',
        },
      },
      {
        test: /\.(ttf|eot|otf)$/,
        include: config.paths.assets,
        loader: 'file',
        options: {
          name: `[path]${assetsFilenames}.[ext]`,
        },
      },
      {
        test: /\.woff2?$/,
        include: config.paths.assets,
        loader: 'url',
        options: {
          limit: 10000,
          mimetype: 'application/font-woff',
          name: `[path]${assetsFilenames}.[ext]`,
        },
      },
      {
        test: /\.(ttf|eot|otf|woff2?|png|jpe?g|gif|svg)$/,
        include: /node_modules|bower_components/,
        loader: 'file',
        options: {
          name: `vendor/${config.cacheBusting}.[ext]`,
        },
      },
      {
        test: /modernizr\.js$/,
        use: 'exports?window.Modernizr',
      },
      {
        test: /\.vue$/,
        use: 'vue',
      },
    ],
  },
  resolve: {
    modules: [
      config.paths.assets,
      'node_modules',
      'bower_components',
      'vendor/igniteonline',
    ],
    enforceExtension: false,
    alias: {
      vue: config.enabled.optimize ? 'vue/dist/vue.min.js' : 'vue/dist/vue.js',
      'video.js': 'video.js/dist/video.js',
      "TweenLite": path.resolve('node_modules', 'gsap/src/uncompressed/TweenLite.js'),
      "TweenMax": path.resolve('node_modules', 'gsap/src/uncompressed/TweenMax.js'),
      "TimelineLite": path.resolve('node_modules', 'gsap/src/uncompressed/TimelineLite.js'),
      "TimelineMax": path.resolve('node_modules', 'gsap/src/uncompressed/TimelineMax.js'),
      "ScrollMagic": path.resolve('node_modules', 'scrollmagic/scrollmagic/uncompressed/ScrollMagic.js'),
      "animation.gsap": path.resolve('node_modules', 'scrollmagic/scrollmagic/uncompressed/plugins/animation.gsap.js'),
      "debug.addIndicators": path.resolve('node_modules', 'scrollmagic/scrollmagic/uncompressed/plugins/debug.addIndicators.js'),
    },
  },
  resolveLoader: {
    moduleExtensions: ['-loader'],
  },
  externals: {
    jquery: 'jQuery',
    'window.jsParams': 'jsParams',
    jsParams: 'jsParams',
    'window.google': 'google',
    google: 'google',
  },
  plugins: [
    new CleanPlugin([config.paths.dist], {
      root: config.paths.root,
      verbose: false,
    }),
    /**
     * It would be nice to switch to copy-webpack-plugin, but
     * unfortunately it doesn't provide a reliable way of
     * tracking the before/after file names
     */
    new CopyGlobsPlugin({
      pattern: config.copy,
      output: `[path]${assetsFilenames}.[ext]`,
      manifest: config.manifest,
    }),
    new ExtractTextPlugin({
      filename: `styles/${assetsFilenames}.css`,
      allChunks: false,
      disable: (config.enabled.watcher),
    }),
    new webpack.ProvidePlugin({
      $: 'jquery',
      jQuery: 'jquery',
      'window.jQuery': 'jquery',
      Tether: 'tether',
      'window.Tether': 'tether',
      'window.jsParams': 'jsParams',
      jsParams: 'jsParams',
      'window.google': 'google',
      google: 'google',
      videojs: 'video.js',
      'window.videojs': 'video.js',
    }),
    new webpack.LoaderOptionsPlugin({
      minimize: config.enabled.optimize,
      debug: config.enabled.watcher,
      stats: { colors: true },
    }),
    new webpack.LoaderOptionsPlugin({
      test: /\.js$/,
      options: {
        eslint: { failOnWarning: false, failOnError: true },
      },
    }),
    new webpack.optimize.CommonsChunkPlugin({
      name: 'node-static',
      filename: config.env.production ? `vendor/node-static-[hash:8].js` : `vendor/node-static.js`,
      minChunks(module) {
        const context = module.context;
        return context && context.indexOf('node_modules') >= 0;
      },
    }),
    new StyleLintPlugin({
      failOnError: ! config.enabled.watcher,
      syntax: 'scss',
    }),
  ],
};

/* eslint-disable global-require */ /** Let's only load dependencies as needed */

if (config.enabled.optimize) {
  webpackConfig = merge(webpackConfig, require('./webpack.config.optimize'));
}

if (!config.env.production && !config.enabled.watcher) {
  webpackConfig.plugins.push(new BundleAnalyzerPlugin({
    analyzerMode: 'static',
  }));
}
if (config.env.production) {
  webpackConfig.plugins.push(new webpack.NoEmitOnErrorsPlugin());
  webpackConfig.plugins.push(new webpack.optimize.ModuleConcatenationPlugin());
  // webpackConfig.plugins.push(new webpack.DefinePlugin({
  //   'process.env': {
  //     NODE_ENV: 'production',
  //   },
  // }));
}

if (config.enabled.cacheBusting) {
  const WebpackAssetsManifest = require('webpack-assets-manifest');

  webpackConfig.plugins.push(
    new WebpackAssetsManifest({
      output: 'assets.json',
      space: 2,
      writeToDisk: false,
      assets: config.manifest,
      replacer: require('./util/assetManifestsFormatter'),
    })
  );
}

if (config.enabled.watcher) {
  webpackConfig.entry = require('./util/addHotMiddleware')(webpackConfig.entry);
  webpackConfig = merge(webpackConfig, require('./webpack.config.watch'));
  webpackConfig.plugins.push(new DashboardPlugin());
}

module.exports = webpackConfig;

For your reference, the project is based on sage which reflects the structure of the theme folder in my project.