Bug: Creating a TIN or adding features to an existing TIN may result in an error message: "Internal process error"
** This issue is addressed in ArcGIS 9.0 Service Pack 2 (SP2) **
When creating a TIN or adding features to an existing TIN the following message is reported in some data specific cases:
"Internal process error"
Click on the link in Related Information below and download Service Pack 2, if necessary. **