Urgent ORA-00600: internal error code

Following the replacement of a disk I did a mksysb restore on a AIX 5.2
machine running Oracle 9.2
 
All the Oracle software, data files etc were on a tar tape that has also
been restored.
 
But now when I try to startup Oracle I get the message
 
ORA-00600: internal error code, arguments: [3004], [1], [0], [0], [],
[], [],

[]

Does anyone have any advice or information on this error?

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