ORA-600 [12207] without any currently SQL running

(Doc ID 1073202.1)

Last updated on SEPTEMBER 08, 2017

Applies to:

Oracle Database - Enterprise Edition - Version to [Release 9.2 to 11.2]
Information in this document applies to any platform.


We can find the following error in alert.log:

ORA-00600: internal error code, arguments: [12207], [5], [], [], [], [], [], []

The call stack has the following generic functions:

ksesic1 opises opiodr ttcpip


In most cases the error happens after an upgrade of the database or when using an older client version.


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