Angular 4: no component factory found,did you add it to @NgModule.entryComponents?
Add this in your module.ts, declarations: [ AppComponent, ConfirmComponent ] if ConfirmComponent is in another module, you need to export it there thus you can use it outside, add: exports: [ ConfirmComponent ] —Update Angular 9 or Angular 8 with Ivy explicitly enabled— Entry Components With Ivy are not required anymore and now are deprecated … Read more