Cannot assign to read-only property 'cache' of Point when opening popup

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06-01-2018 09:10 AM
CharlieElverson
New Contributor II

I get the following error when trying to open the MapView's popup with an input feature whose geometry is a Point: 

Unhandled Promise rejection: [accessor] cannot assign to read-only property 'cache' of esri.geometry.Point ; Zone: <root> ; Task: Promise.then ; Value: TypeError: [accessor] cannot assign to read-only property 'cache' of esri.geometry.Point

The Code:

const features: __esri.Graphic[] = [];
features.push(this.MapViewService.setPopupTemplateOnFeature(spaceInfo, {
title: space,
content: this.popupTemplate.nativeElement
}));
this.MapViewService.mapView.popup.open({
features: features
});
     setPopupTemplateOnFeature(feature: __esri.Graphic, template: __esri.PopupTemplateProperties): __esri.Graphic {
          const newTemplate = new this.PopupTemplate(template);
          feature.popupTemplate = newTemplate;
          return feature;
     }

side note: the "this" on "this.PopupTemplate()" is because of the way loading pieces of the API is handled.

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