Please add a @Pipe/@Directive/@Component annotation in Angular 4 · Issue #15890 · angular/angular · GitHub
Error: Please add a @Pipe/@Directive/@Component annotation · Issue #16502 · angular/angular · GitHub
Error: Please add a @Pipe/@Directive/@Component annotation · Issue #16502 · angular/angular · GitHub
![angular - error NG6002: Appears in the NgModule.imports of AppModule, but could not be resolved to an NgModule class. Is it missing an @NgModule annotation? - Stack Overflow angular - error NG6002: Appears in the NgModule.imports of AppModule, but could not be resolved to an NgModule class. Is it missing an @NgModule annotation? - Stack Overflow](https://i.stack.imgur.com/mhRYj.png)
angular - error NG6002: Appears in the NgModule.imports of AppModule, but could not be resolved to an NgModule class. Is it missing an @NgModule annotation? - Stack Overflow
![error NG6002: Appears in the NgModule.imports of AppModule, but could not be resolved to an NgModule class in Angular 9 - Stack Overflow error NG6002: Appears in the NgModule.imports of AppModule, but could not be resolved to an NgModule class in Angular 9 - Stack Overflow](https://i.stack.imgur.com/KyRUb.png)
error NG6002: Appears in the NgModule.imports of AppModule, but could not be resolved to an NgModule class in Angular 9 - Stack Overflow
![PrimeNG on NG4: Unexpected module 'DropdownModule' declared by the module 'AppModule'. Please add a @Pipe/@Directive/@Component annotation. · Issue #3144 · primefaces/primeng · GitHub PrimeNG on NG4: Unexpected module 'DropdownModule' declared by the module 'AppModule'. Please add a @Pipe/@Directive/@Component annotation. · Issue #3144 · primefaces/primeng · GitHub](https://user-images.githubusercontent.com/5101235/27290505-1901e736-5516-11e7-8b93-1ec6149a103d.png)
PrimeNG on NG4: Unexpected module 'DropdownModule' declared by the module 'AppModule'. Please add a @Pipe/@Directive/@Component annotation. · Issue #3144 · primefaces/primeng · GitHub
![Async pipe in Angular | built in pipes in angular | pipes in angular | Angular tutorials | Angular - YouTube Async pipe in Angular | built in pipes in angular | pipes in angular | Angular tutorials | Angular - YouTube](https://i.ytimg.com/vi/du-RqH2tx1I/maxresdefault.jpg)