I have set up a Portal 10.5.1 server, I have also federated the ArcGIS Server 10.5.1 to the Portal and created maps on Portal.
When I created an app from the map by WAB in IE, the Web AppBuilder just hung, the IE reported the following JS errors:
But WAB works in Firefox and Chrome. Are there anything missing or I need to configure?
Mats,
Are you running IE in compatability mode?
No, IE is version 11 and not in compatibility mode