'Values' must have a maximum of 9 elements, including the timestamp. My data only send up to 9 data to thingspeak and this error occur.

Hi. Im trying to send data from matlab which is the data from serial monitor from arduino. It is fine until 9th of data and then it stopped and says :

Error using Untitled (line 27)

'Values' must have a maximum of 9 elements, including the timestamp.

My coding is:

clear all
s = serial('com4');
fopen(s);
i = 1;
while(1)
    data(i)= str2double(fscanf(s));
    
    plot(data);
    title('Temperature Monitoring')
    xlabel('Time')
    ylabel('Temperature')
    
    pause(15);
    i=i+1;
    
    %thingSpeakWrite(1463959,data,'WriteKey','9OUSQA9OXZU0EO4X')
    
    % Generate timestamps for the data
    %tStamps = datetime('now')-minutes(9):minutes(1):datetime('now');
    channelID = 1463959; % Change to your Channel ID
    writeKey = 'xxxxxxxxxxxxxxxx'; % Change to your Write API Key
    % Write 10 values to each field of your channel along with timestamps
    tStamp = datetime('now')
    thingSpeakWrite(1463959,data,'WriteKey','xxxxxxxxxxxxxxx','TimeStamp',tStamp)
end