angular - No component factory found for Component - component already added to NgModule -

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i getting error when trying open modal component:

no component factory found [componentname].
did add @ngmodule.entrycomponents?

the same modal working elsewhere in app has been added declarations , entrycomponents sections of ngmodule.

is there else message mean?

most use dynamically loaded components dialog window. if case, need list them in entrycomponents property of @ngmodule, example:

  entrycomponents: [     mydialogcomponent   ]

you can see example here: https://material.angular.io/components/dialog/overview


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