050077 : Terrain does not reference any feature classes that can have their pyramid resolution bounds changed.
Description
The selected terrain does not reference any feature classes that can have their pyramid resolution bounds modified. Keep in mind that resolution bounds cannot be changed in mass point datasets.
Solution
Check that the correct terrain has been selected. If a feature class is missing, add it using the Add Feature Class To Terrain tool followed by the Build Terrain tool.
7/21/2010