ORA-39890
        Flashback or PITR of a pluggable database to a System Change Number (SCN) or timestamp before latest undo mode switch is not allowed.
        
        
        Cause
        An attempt was made to flashback/PITR a pluggable database (PDB) to a System Change Number (SCN) or timestamp that precedes the latest switch between shared and local undo.
        Action
        Flashback/PITR a pluggable database (PDB) to an SCN or timestamp that comes after the latest switch between shared and local undo.
        
     
    
    
        ORA-39890
        Flashback or PITR of a pluggable database to a System Change Number (SCN) or timestamp before latest undo mode switch is not allowed.
        
        
        Cause
        An attempt was made to flashback/PITR a pluggable database (PDB) to a System Change Number (SCN) or timestamp that precedes the latest switch between shared and local undo.
        Action
        Flashback/PITR a pluggable database (PDB) to an SCN or timestamp that comes after the latest switch between shared and local undo.
        
     
    
    
        ORA-39890
        Flashback or PITR of a pluggable database to a System Change Number (SCN) or timestamp before latest undo mode switch is not allowed.
        
        
        Cause
        An attempt was made to flashback/PITR a pluggable database (PDB) to a System Change Number (SCN) or timestamp that precedes the latest switch between shared and local undo.
        Action
        Flashback/PITR a pluggable database (PDB) to an SCN or timestamp that comes after the latest switch between shared and local undo.