Web Map Goes White After Adding New Layer

[HereLA]

Whenever I add a feature layer I created in ArcGIS Online to a web map the entire screen/map goes white. Nothing I've tried restore the map works and I've had to restart dozens of maps because of this. What is the issue?

[Richard_Purkis]

Hi @HereLA 

I have not seen this before but there is a related support article which covers ArcGIS Online as well as ArcGIS Dashboards:

• Problem: ArcGIS Dashboards content displays a blank screen when adding and enabling browser extensio...

I hope it leads you to a resolution