此错误看起来似乎没有定义。不确定我需要定义什么或如何。有人有任何想法吗？
TypeError: UI.Component is undefined (
line 132 of blaze-layout.js: Layout = UI.Component.extend({ )
Exception in defer callback: IronRouter<.autoRender@http://localhost:3000/packages/iron-router.js?a4167ac4d12a73891d8a9b8c57419a347da0ee12:1579:7
IronRouter<.constructor/</<@http://localhost:3000/packages/iron-router.js?a4167ac4d12a73891d8a9b8c57419a347da0ee12:1424:11
.withValue@http://localhost:3000/packages/meteor.js?7a66be7a03504cd2c18dd47b699e6233b60675ed:793:11
withoutInvocation/<@http://localhost:3000/packages/meteor.js?7a66be7a03504cd2c18dd47b699e6233b60675ed:382:26
Meteor.bindEnvironment/<@http://localhost:3000/packages/meteor.js?7a66be7a03504cd2c18dd47b699e6233b60675ed:821:11
onGlobalMessage@http://localhost:3000/packages/meteor.js?7a66be7a03504cd2c18dd47b699e6233b60675ed:319:11
提前感谢有关排序的任何提示！