For reference only, not the solution to this iteration though: https://community.esri.com/t5/arcgis-experience-builder-questions/creating-map-failed-error/m-p/1370...
On a single Dell laptop with Win10 or 11?, with Chrome as default browser but Edge available, this error occurs on Chrome ...but not in Edge.
What would be the approach to diagnosing this on a single PC when the issue is with Chrome only?
App https://experience.arcgis.com/experience/97a42a2a73c944ba918042faf518c689
(With the Splash screen rendering without issue on app startup, clear and continue...) App frame renders but the map (widget) will not render, and none of the several various widget buttons and Search dialog will render. In the order of operations that an Experience app must render components, does this give any clue as to where the process breaks and where to look to resolve?