Not able drop a user in database.. please help

Question

Not able drop a user in database.. please help
SQL> drop user xxx cascade;
drop user xxx cascade
ERROR at line 1:
ORA-00600: internal error code, arguments: [16500], [kqdcru], [D], [2], [74],
[BIN$gwB1YtUSNkHgQKjAVbQi5w==$0], [], []
i tried to clear recycle bin .. it went fine as sysdba but not an user
As sys:
purge recyclebin;
Recyclebin purged.
SQL> conn xxx
Enter password:
Connected.
SQL> purge recyclebin;
purge recyclebin
ERROR at line 1:
ORA-00600: internal error code, arguments: [16500], [kqdcru], [D], [2], [74],
[BIN$gwB1YtUSNkHgQKjAVbQi5w==$0], [], []
restart of db not helping out...
thanks in advance.. help me out..

Answer 1

You didn't mention your Database and O/S details....
drop user xxx cascade
ERROR at line 1:
ORA-00600: internal error code, arguments: [16500], [kqdcru], [D], [2], [74],
[BIN$gwB1YtUSNkHgQKjAVbQi5w==$0], [], []
SQL> purge recyclebin;
purge recyclebin
ERROR at line 1:
ORA-00600: internal error code, arguments: [16500], [kqdcru], [D], [2], [74],
[BIN$gwB1YtUSNkHgQKjAVbQi5w==$0], [], []You should probably raise a Service Request for ORA-00600 errors, as Oracle Support needs to look at it.
Regards
Z.K.