ORA-29907
        duplicate labels found in primary operator calls
        
        
        Cause
        There were multiple primary calls to operators with the same number in their label argument.
        Action
        Specify unique label arguments to the primary operator calls.
        
     
    
    
        ORA-29907
        found duplicate labels in primary invocations
        
        
        Cause
        There are multiple primary invocations of operators with the same number as the label.
        Action
        Use distinct labels in primary invocations.
        
     
    
    
        ORA-29907
        found duplicate labels in primary invocations
        
        
        Cause
        There are multiple primary invocations of operators with the same number as the label.
        Action
        Use distinct labels in primary invocations.