For the past two days I have been getting intermittent 404 errors when loading tiles from the Cesium OSM Buildings dataset. I get 404 errors both when trying to load some of the .b3dm tiles and when trying to get the 0-0-0 tileset json. Thanks,
Maia Marchetti
Welcome to the Cesium community and thank you for reporting this issue. Our team is has identified the issue and a resolution is in progress. We will update you once this is resolved.
I was just about to message that our team has resolved the issue. Cesium OSM Buildings should now be working as expected. Please let us know if you do notice any other issues.