Last updated on NOVEMBER 28, 2016
Applies to:Oracle Database - Enterprise Edition - Version 22.214.171.124 to 126.96.36.199 [Release 11.2]
Information in this document applies to any platform.
***Checked for relevance on 24-Jan-2014***
An ORA-600 [kkdlcob-objn-exists] error is reported in the alert log file, e.g.:
Sometimes the ORA-600 [kkdlcob-objn-exists] error may be seen together with an ORA-600 [ktcpoptx:!cmt top lvl] error, e.g.:
ORA-00600: internal error code, arguments: [kkdlcob-objn-exists], , , , , , , , , , , 
The call stack in the generated trace file (for ORA-600 [kkdlcob-objn-exists]) looks similar to:
where function qks3tCrtTmpTabl is typical for this problem.
The current SQL looks similar to:
Sign In with your My Oracle Support account
Don't have a My Oracle Support account? Click to get started
Million Knowledge Articles and hundreds of Community platforms