RMAN-06936
        at least 1 channel of TYPE DISK must be allocated to use CONVERT
        
        
        Cause
        A channel of TYPE DISK was not allocated.
        Action
        Allocate a channel of TYPE DISK and reissue the command.
        
     
    
    
        RMAN-06936
        at least 1 channel of TYPE DISK must be allocated to use CONVERT
        
        
        Cause
        A channel of TYPE DISK was not allocated.
        Action
        Allocate a channel of TYPE DISK and reissue the command.
        
     
    
    
        RMAN-06936
        at least 1 channel of TYPE DISK must be allocated to use CONVERT
        
        
        Cause
        A channel of TYPE DISK was not allocated.
        Action
        Allocate a channel of TYPE DISK and reissue the command.