FLASHBACK VERSIONS QUERY GIVES ORA-00600 [KTRVFBK_3]
(Doc ID 2799799.1)
Last updated on AUGUST 17, 2021
Applies to:Oracle Database - Standard Edition - Version 10.2.0.5 and later
Information in this document applies to any platform.
Flashback versions query fails intermittently:
ORA-00600: internal error code, arguments: [ktrvfbk_3], , , , , ,, 
The problem occurs intermittently for the same sql which may run successfully
several times and then suddenly fail.
Once the error occurs, it is persistent.
----- PL/SQL Call Stack -----
Thsi issue is still reproducible in 19c as well with the testcase customer shared:
To view full details, sign in with your My Oracle Support account.
Don't have a My Oracle Support account? Click to get started!
In this Document