RMAN-06728
        could not locate control file copy string
        
        
        Cause
        The specified control file copy could not be found on any allocated channel.
        Action
        Allocate additional channels on other nodes of the cluster or if the control file copy has been deleted, use the CROSSCHECK CONTROLFILECOPY command to correct the recovery catalog or target database control file entries.
        
     
    
    
        RMAN-06728
        could not locate control file copy string
        
        
        Cause
        The specified control file copy could not be found on any allocated channel.
        Action
        Allocate additional channels on other nodes of the cluster or if the control file copy has been deleted, use the CROSSCHECK CONTROLFILECOPY command to correct the recovery catalog or target database control file entries.
        
     
    
    
        RMAN-06728
        could not locate control file copy string
        
        
        Cause
        The specified control file copy could not be found on any allocated channel.
        Action
        Allocate additional channels on other nodes of the cluster or if the control file copy has been deleted, use the CROSSCHECK CONTROLFILECOPY command to correct the recovery catalog or target database control file entries.