Problem with writing in text file

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Hi, I have extracted some part of an XML file. The data looks like this:

Data =
            
        AssemblySwConnector
              
          /YellowCar/YellowCar/Server
          /YellowCar/Server/Server/RcCtrl
              
              
          /YellowCar/YellowCar/ProcessingECU
          /YellowCar/ProcessingECU/ProcessingECU/GetRcCtrl
                                                  .
                                                  .
                                                  .

I want to write this data with following code on a text file but I got an error:

           fileID = fopen('PORTS.text','w');
           formatSpec = '%s %d %2.1f %s\n';
           [nrows,ncols] = size(Data);
            for row = 1:nrows
              fprintf(fileID,formatSpec,Data{row,:});
            end
           fclose(fileID);