I tried adding `ServerTransferStateModule` and `BrowserTransferStateModule` from @`angular/platform-server'` and `@angular/platform-browser` respectively. As suggested https://next.angular.io/api/platform-server/ServerTransferStateModule and https://medium.com/@evertonrobertoauler/angular-5-universal-with-transfer-state-using-angular-cli-19fe1e1d352c But after this change, I am now receiving error `Error: The selector "app-root" did not match any elements` and no markup is generated at server. Any help and guidance would be highly appreciated.