ORA-00600: / ORA-00600:  on RECO background after converting NON_CDB to PDB
(Doc ID 2309826.1)
Last updated on AUGUST 04, 2018
Applies to:Oracle Database - Enterprise Edition - Version 22.214.171.124 and later
Information in this document applies to any platform.
After plugging into a CDB a NON-CDB database, RECO process start reporting an ORA-00600:  and/or ORA-00600: 
Database has been converted to a PDB from a NON-CDB.
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