electron-react-boilerplate: Uncaught ReferenceError: vendor is not defined

Uncaught ReferenceError: vendor is not defined
    at Object.0 (external "vendor":1)
    at __webpack_require__ (bootstrap cdec395…:659)
    at fn (bootstrap cdec395…:83)
    at Object.41 (index.js from dll-reference vendor:1)
    at __webpack_require__ (bootstrap cdec395…:659)
    at fn (bootstrap cdec395…:83)
    at Object.<anonymous> (client:3)
    at Object../node_modules/webpack-dev-server/client/index.js?http:/localhost:1212 (client?fd75:181)
    at __webpack_require__ (bootstrap cdec395…:659)
    at fn (bootstrap cdec395…:83)
0	@external "vendor":1
__webpack_require__	@bootstrap e86c1e1…:659
fn	@bootstrap e86c1e1…:83
41	@index.js from dll-reference vendor:1
__webpack_require__	@bootstrap e86c1e1…:659
fn	@bootstrap e86c1e1…:83
(anonymous)	@client:3
./node_modules/webpack-dev-server/client/index.js?http:/localhost:1212	@client?fd75:181
__webpack_require__	@bootstrap e86c1e1…:659
fn	@bootstrap e86c1e1…:83
93	@bundle.js:25006
__webpack_require__	@bootstrap e86c1e1…:659
module.exports../app/actions/notes_actions.js.Object.defineProperty.value	@bootstrap e86c1e1…:708
(anonymous)	@bootstrap e86c1e1…:708

Sorry for the terrible formatting.

This error appears every half dozen or so hot-reloads. It resolves on reloading again. Not a big deal, but I don’t see it reported yet as best I can tell.