Resolution:
The message may also show up as DBMS 600 and if you are using Oracle this error translates according to Oracle documentation as:

"ORA-00600internal message code, arguments: [num], [?], [?], [?], [?], [?]

Cause:This is a catch-all internal message for ORACLE program exceptions. It indicates that a process has met a low-level, unexpected condition.

Various causes of this message include:

·time-outs

·file corruption

·failed data checks in memory

·hardware, memory, or I/O messages

·incorrectly restored files

The first argument is the internal message number; other arguments are various numbers, names, and character strings. (See section "Reporting a Problem to Worldwide Customer Support" on page 1-12 for more information.) The numbers may change meanings between different versions of the ORACLE Server.

Action:Report this error to Worldwide Customer Support after gathering the following information:

·events that led up to the error

·the operations that were attempted that led to the error

·the conditions of the operating system and database at the time of the error

·any unusual circumstances that occurred prior to receiving the ORA-00600 message.

·contents of any trace files generated by the error

·the relevant portions of the Alert file

NOTE: The cause of this error may manifest itself as different errors at different times. Be aware of the history of errors that occurred prior to this internal error."

This error should be reported to Oracle.  Oracle alert logs should be inspected for earlier errors reported.

Restarting Oracle may allow you to proceed again.

What to do with ORA 600 error messagefrom Oracle.