I have polygons for states/provinces (wgs1984). When I label these polygons in ArcGIS (web mercator) some of the labels occur in random locations. For example, texas might show up in southern canada, while ontario and quebec will show up in virginia. Any suggestions?
As an update: Using the maplex labeling engine fixed this behavior. It would seem that if labels originally were created with maplex, then attempting to render them with the standard engine can cause these types of issue.