By design, you can index only added and deleted external data items, instead of re-indexing all items. That process is referred to as incremental indexing. Part of the incremental indexing process is tracking child-to-parent relationships. Incremental indexing might fail when the foreign key from parent to child is null.

Click the Hot Fix tab in this note for a link to instructions about accessing and applying the software update.

Operating System and Release Information

Viya on Linux: An update for this issue is available for SAS Viya 3.5. For instructions on how to access and apply software updates, see the Updating Your SAS Viya software section in the SAS Viya 3.5 for Linux Deployment Guide at

An update for this issue is available for SAS Visual Investigator 10.7. For instructions on how to access and apply these software updates, see the documentation links at the top of