Vue ClIでの実装中発生したエラーの件なのですが下記のようなエラーが出ており... 色城調査したのですが、解決に至らず... ### エラー ``` vue.runtime.esm.js?2b0e:619 [Vue warn]: Property or method "loading" is not defined on the instance but referenced during render. Make sure that this property is reactive, either in the data option, or for class-based components, by initializing the property. See: https://vuejs.org/v2/guide/reactivity.html#Declaring-Reactive-Properties. found in ---> at src/components/Loading.vue at src/App.vue ``` ### App.vue ``` ``` ### main.js ``` import Vue from 'vue' import App from './App.vue' import axios from 'axios' //追記 import VueAxios from 'vue-axios' //追記 import router from './route.js' import Headline from './components/Headline.vue' import ItemBox from './components/ItemBox.vue' import Menu from './components/Menu.vue' import Top from './components/Top.vue' Vue.config.productionTip = false Vue.use(VueAxios, axios) //追記 Vue.component( 'Headline', Headline ); Vue.component( 'ItemBox', ItemBox ); Vue.component( 'Menu', Menu ); Vue.component( 'Top', Top ); new Vue({ router, render: h => h(App), }).$mount('#app') ``` よろしくお願いいたします。

	@@ -1 +1 @@
1	- Vue.jsのエラー
1	+ Vue.jsのエラー vue.runtime.esm.js?2b0e:619 [Vue warn]: Property or method....

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