Gather Schema Stats Fail With ORA-0001 "unique constraint (APPLSYS.FND_STATS_HIST_U1) violated" Errors

(Doc ID 470556.1)

Last updated on SEPTEMBER 28, 2016

Applies to:

Oracle EBS Applications Performance - Version to [Release 11.5.10]
Information in this document applies to any platform.


On in Production:
Running Gather Schema Statistics program failed with the following errors:

Unable to correctly update the history table - fnd_stats_hist.
-1 - ORA-00001: unique constraint (APPLSYS.FND_STATS_HIST_U1) violated

The issue can be reproduced at will with the following steps:
1. Submit Gather Schema Statistics program.
2. Any other program that calls FND_STATS package to gather statistics.

The issue has the following business impact:
Due to this issue, gathering optimizer statistics program is not working properly. This might
cause performance problems in the database.


Version of FND_STATS package changed


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