【前端】vue Failed to resolve component If this is a native custom element, make sure to exclude it from

一、报错

 runtime-dom.esm-bundler-daf7327a.js:1555 [Vue warn]: Failed to resolve component: myBtn

If this is a native custom element, make sure to exclude it from component resolution via compilerOptions.isCustomElement.

at <App>

二、原因

核心原因就是因为报警告的这个组件（myBtn）没有注册

三、解决

3.1、有可能是setup写错了（手抖写成了steup）

3.2、名称错误

 3.3、不用花括号