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'Uncaught TypeError: Cannot read property 'defaultVisibility' of undefined at Object._getVisibleLayers' Web App

Question asked by cdohertysouthribble on Nov 8, 2016

ArcGIS Server and Portal version 10.4.1


I am having an issue with a certain web application using the Public Information app template. I can't turn off or on any of the layers in the Layers list.


I receive this error in the web browser console:



Uncaught TypeError: Cannot read property 'defaultVisibility' of undefined
    at Object._getVisibleLayers



Unable to get property 'defaultVisibility' of undefined or null reference


The data is from an ArcGIS Server web service and don't have a problem with any of my other applications. Funnily enough the web map that this app uses works fine and I can turn on and off the layers.


I created a new web app from the same map but this has the same issue. Is there anything you can suggest or advice?


Thanks in advance for your help.