The error message is a lie. Basemap spatial reference

[BrianO_keefe]

I am 'trying' to add basemaps to the basemap gallery widget with no luck.

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They BOTH share the same projection... yet I still get this error when trying to add the Dark Grey to my map.

I've reprojected, I've cleared my cache, and nothing makes this work. Is there something I could do differently?

[RobertScheitlin__GISP]

Brain,

  Is this app public? Looking at the code in the wkidUtils.js that is used to check if the wkids are the same it uses the maps wkid and checks it against the basemaps wkid that you are adding. Are you sure that your maps WKID is really 102100?