WARNING in ./~/vue-loader/lib/template-compiler?{"id":"data-v-6538074c"}!./~/vue-loader/lib/selector.js?type=template&index=0!./client/index/components/Header.vue
(Emitted value instead of an instance of Error) : component lists rendered with v-for should have explicit keys. See https://vuejs.org/guide/list.html#key for more info.
@ ./client/index/components/Header.vue 9:2-185
@ ./~/babel-loader/lib!./~/vue-loader/lib/selector.js?type=script&index=0!./client/index/App.vue
@ ./client/index/App.vue
@ ./client/index/app.js
@ ./client/index/client-entry.js
@ multi webpack-hot-middleware/client?path=/__webpack_hmr&timeout=20000 ./client/index/client-entry.js
WARNING in ./~/vue-loader/lib/template-compiler?{"id":"data-v-6538074c"}!./~/vue-loader/lib/selector.js?type=template&index=0!./client/index/components/Header.vue (Emitted value instead of an instance of Error): component lists rendered with v-for should have explicit keys. See https://vuejs.org/guide/list.html#key for more info.
@ ./client/index/components/Header.vue 9:2-185
@ ./~/babel-loader/lib!./~/vue-loader/lib/selector.js?type=script&index=0!./client/index/App.vue
@ ./client/index/App.vue
@ ./client/index/app.js
@ ./client/index/client-entry.js
@ multi webpack-hot-middleware/client?path=/__webpack_hmr&timeout=20000 ./client/index/client-entry.js