BaseClient.js:23 Uncaught TypeError: Cannot assign to read only property 'exports' of object '#'
at Module. (app.js:190918)
at Module../node_modules/webpack-dev-server/client/clients/BaseClient.js (app.js:190932)
at webpack_require (app.js:768)
at fn (app.js:131)
at Module. (app.js:191054)
at Module../node_modules/webpack-dev-server/client/clients/SockJSClient.js (app.js:191103)
at webpack_require (app.js:768)
at fn (app.js:131)
at Object../node_modules/webpack-dev-server/client/socket.js (app.js:191486)
at webpack_require (app.js:768)