ORA-600 [Kksfbc-Bad-Unpin] On Explain Plan
(Doc ID 746220.1)
Last updated on NOVEMBER 28, 2016
Applies to:Oracle Server - Enterprise Edition - Version: 10.1.0.2 to 10.1.0.5
This problem can occur on any platform.
The following error occurs daily in the database alert log file:
ORA-00600: internal error code, arguments: [kksfbc-bad-unpin], , , , , , , 
In the trace file is not reported any failing statement but if we check the current cursor, we find:
EXPLAIN PLAN SET STATEMENT_ID = <id> INTO <table name> FOR
<here goes the sql statement>
The Call Stack looks like:
kksfbc kkspsc0 kksParseCursor opiosq0 kpooprx kpoal8 opiodr ttcpip opitsk opiino opiodr
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