The following error message is returned when loading or copying data:
Error: The spatial references do not match
LeftLongitude is a property of a Geographic Coordinate System. This property defines whether data falls in the ranges of:
In some cases this property is not set.
This issue has been resolved in ArcGIS Version 8.1.2. If this issue is occuring in newer versions, refer to Error: Failed to paste < feature class > The spatial references do not match for more information.