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Cori O'BrienCori O'Brien 

Error message within Trailhead Project: Quickstart Lightning App Builder

In the Second module, Add More Componants, getting this error in Dev Org when trying to comlete actions of adding Recent Items to right side tablet panel.

Uncaught error in actionCallback : a.getReturnValue(...) is null

Anybody else getting that error or know how to fix it?
arvind bhandari 8arvind bhandari 8
I am also getting same error CAnnot read property 'Show' of null