function [error,data,duration, chlabel] = ReadAxionChannel(obj)
            
            %well does not exist jump to another and display...might be not
            %recorded or so
            %jump to the next
            %if channel (single)does not exist then display channel not recorded 
            %next
            data = []; %there in Meeri's code to return at least something with e.g. error=1
            %error = 0;
            %duration = [];
            m_well=strcat(char(64+obj.last_well_row+1),num2str(obj.last_well_col+1));
            fid = H5F.open(obj.getCurrentFile());
            gid = H5G.open(fid,['/Data/' m_well]);
            while ~H5L.exists(gid,'slink','H5P_DEFAULT')
                fprintf([mwell 'seems to be excluded\n']);
                obj = obj.JumpNextWell;
                m_well=strcat(char(64+obj.last_well_row+1),num2str(obj.last_well_col+1));
                gid = H5G.open(fid,['/Data/' m_well]);
            end
            %m_well=strcat(char(64+obj.last_well_row+1),num2str(obj.last_well_col+1));
            m_ch=strcat(num2str(obj.last_ch_col+1),num2str(obj.last_ch_row+1));
            chlabel = strcat(m_well,'_',m_ch); % which well which electrode
            disp(['now reading: ' chlabel]);
            try 
                
                data = h5read(obj.getCurrentFile(),['/Data/' m_well '/' m_ch]);
                %if isempty(obj.duration)
                    %duration = length(data)/obj.samplerate;
                    %obj.duration = duration;
                %else
                    %duration = obj.duration;%better when open file?????
                %end
                error = 0;
            catch %err
                error = 1;
                InactiveChannels=h5read(obj.getCurrentFile(), '/DataInfo/InactiveChannels');
                if any(contains(InactiveChannels, chlabel)) 
                    disp(['Channel' ' ' chlabel ' ' 'is inactive, it is not recorded in the initial analysed file.'])
                else
                    disp(['Smth wrong with' ' ' chlabel ' ' 'channel reading!']); %ADDED
                end
          
            end 
        end
        %%
function obj = JumpNextWell(obj)        
    if obj.final_well_col-1 <= obj.last_well_col 
        obj.last_well_col = obj.first_well_col-1;
        if obj.final_well_row-1 <= obj.last_well_row
            disp('All channels have been read from!');
            obj.file_finished = 1;
        else
            obj.last_well_row = obj.last_well_row+1;
        end
    else
        obj.last_well_col = obj.last_well_col+1;
    end
end