Upon a database restart of the container Database (CDB), our Pluggable Database did not come up. Alert log reported the below error stack

Eror Stack

Incident details in: /u01/app/oracle/diag/rdbms/xxxxxx/xxxxxxx/incident/incdir_56347/xxxxxxxx_ora_1248676_i56347.trc

2026-03-30 06:13:43.801000 +00:00

Use ADRCI or Support Workbench to package the incident.

See Note 411.1 at My Oracle Support for error and packaging details.

Error 600 during pluggable database XXX opening in read write

Errors in file /u01/app/oracle/diag/rdbms/sslcdbuat/xxx/trace/xxxx_ora_1248676.trc:

ORA-00600: internal error code, arguments: [17287], [0x7FB1705D7610], [0x1CB1CCC30], [], [GSMADMIN_INTERNAL], [DBMS_GSM_CLOUDADMIN], [11], [1], [], [], [], []

Errors in file /u01/app/oracle/diag/rdbms/xxxx/xxxx/trace/xxxx_ora_1248676.trc:

ORA-00600: internal error code, arguments: [17287], [0x7FB1705D7610], [0x1CB1CCC30], [], [GSMADMIN_INTERNAL], [DBMS_GSM_CLOUDADMIN], [11], [1], [], [], [], []

Pluggable database xxxx pseudo close cleaning up

Observations

Found below objects INVALID for schema

SQL> select object_name from dba_objects where status=’INVALID’

  2  and owner=’GSMADMIN_INTERNAL’;

OBJECT_NAME

——————————————————————————–

DBMS_GSM_POOLADMIN

DBMS_GSM_CLOUDADMIN

CAT_ROLLBACK_TRIGGER

REQUEST_DELETE_TRIGGER

DONE_TRIGGER

GSMLOGOFF

Note: running utlrp.sql did not resolve the issue

Fix

Ran the below on CDB$ROOT

Database, including the PDB was opened successfully.

Reference

ORA-00600: internal error code, arguments: [17287] During opening of PDB KB120467