我正在尝试使用我尝试过的 Ionic 5 构建网络应用程序：
ionic cordova build browser --prod --release
和
ionic serve --prod
都失败并出现如下错误：
1. If 'ion-header' is an Angular component, then verify that it is part of this module.
2. If 'ion-header' is a Web Component then add 'CUSTOM_ELEMENTS_SCHEMA' to the '@NgModule.schemas' of this component to suppress this message.
1. If 'ion-icon' is an Angular component, then verify that it is part of this module.
2. If 'ion-icon' is a Web Component then add 'CUSTOM_ELEMENTS_SCHEMA' to the'@NgModule.schemas' of …