webpack - HtmlWebPackPlugin is unable to resolve fields -

i've changed configuration files in order able use webpack@2.1.0-beta.27. after having changed issues according migration between webpack@2.1.0-beta.22 , last 1 goes wrong according htmlwebpackplugin:

plugins: [     new htmlwebpackplugin({         template: 'src/index.html',         chunkssortmode: 'dependency'     }) ] 

after having performed webpack command seems htmlwebpackplugin unable resolve fields. index.html file:

html webpack plugin: <pre>   typeerror: cannot read property 'title' of undefined    - index.html:77      d:/projects/living/user-platform/project/src/index.html:77:33    - index.html:94 module.exports     d:/projects/living/user-platform/project/src/index.html:94:3    - index.js:255      [project]/[html-webpack-plugin]/index.js:255:16    - util.js:16 trycatcher     [project]/[html-webpack-plugin]/[bluebird]/js/release/util.js:16:23    - promise.js:510 promise._settlepromisefromhandler     [project]/[html-webpack-plugin]/[bluebird]/js/release/promise.js:510:31    - promise.js:567 promise._settlepromise     [project]/[html-webpack-plugin]/[bluebird]/js/release/promise.js:567:18    - promise.js:604 promise._settlepromisectx     [project]/[html-webpack-plugin]/[bluebird]/js/release/promise.js:604:10    - async.js:143 async._drainqueue     [project]/[html-webpack-plugin]/[bluebird]/js/release/async.js:143:12    - async.js:148 async._drainqueues     [project]/[html-webpack-plugin]/[bluebird]/js/release/async.js:148:10    - async.js:17 immediate.async.drainqueues     [project]/[html-webpack-plugin]/[bluebird]/js/release/async.js:17:14  </pre> 

• src/index.html
• webpack.common.js
• webpack.dev.js
• webpack.prod.js