Bug: TIN's topology has been damaged or corrupted
** This issue is addressed in ArcGIS 9.0 Service Pack 2 (SP2) **
A call via ArcObjects to ITinEdit.DeleteNodesOutsideDataArea in some data-specific cases may result in the following error message:
"TIN's topology has been damaged/corrupted"
Click on the link in Related Information below and download Service Pack 2, if necessary. **