Solution : https://service.sap.com/sap/support/notes/1039060 (SAP Service marketplace login required)
Key words :
bad dscn]corruptiondata guard reason, oracle server - enterprise edition - version, data guard role transition, data guard role transitions, latest optimzer merge fix, current optimizer merge fix, descriptionall data guard customers, terms ora-1555ora-600 [ktbdchk1, attached oracle metalink document, original oracle metalink note
Related Notes :
| 981875 | Optimizer merge fix for Oracle 10.2.0.2 |
| 3807 | Error messages regarding rollback and undo segments |