ORA-600: Internal Error Code, Arguments: [qcsfbdnp:1], [B2], , 
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 to 12.1]
Information in this document applies to any platform.
A complex query works correctly when executed with a literal, but when executed with a bind variable raises ORA-600 [qcsfbdnp:1] during parsing of the query.
The alert_<sid>.log shows an error similar to:
ORA-00600: internal error code, arguments: [qcsfbdnp:1], [B2], , , , , , , , , , 
Incident details in: D:\ORACLE\diag\rdbms\irisp\irisp\incident\incdir_70059\irisp_ora_5828_i70059.trc
Mon Feb 17 10:04:55 2014
The call stack in the incident trace written by the error contains all or some of the following functions:
The problem seems to be specific to 188.8.131.52 and higher versions.
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