ORA-16424
        RECOVER FINISH cannot complete due to a redo gap.
        
        
        Cause
        RECOVER FINISH failed because there was a redo gap on the standby database.
        Action
        Resolve redo gap or issue ALTER DATABASE ACTIVATE STANDBY DATABASE to perform an immediate failover with some data loss.
        
     
    
    
        ORA-16424
        RECOVER FINISH cannot complete due to a redo gap.
        
        
        Cause
        RECOVER FINISH failed because there was a redo gap on the standby database.
        Action
        Resolve redo gap or issue ALTER DATABASE ACTIVATE STANDBY DATABASE to perform an immediate failover with some data loss.
        
     
    
    
        ORA-16424
        RECOVER FINISH cannot complete due to a redo gap.
        
        
        Cause
        RECOVER FINISH failed because there was a redo gap on the standby database.
        Action
        Resolve redo gap or issue ALTER DATABASE ACTIVATE STANDBY DATABASE to perform an immediate failover with some data loss.