Struct contents reference from a non-struct array object (.mat)

Hi.. i have a neural network matrix (net.mat) and i want to send the valuse via serial to my MCU.. whenever i start my matlab code, then an errors pops up..Struct contents reference from a non-struct array object, line 2..

i cant get it, i am loading the project and loading the .mat in workspace.. but i still get that error..any Help? thanks

CODE:

function flash_send_weights(net, port)
s = size(net.hidden_layer_weights);
s2 = size(net.output_layer_weights);
fclose(instrfind);
ser = serial(com_port);
%set(ser, 'BaudRate', 38400);
fopen(ser);
page_size = 528;
byte_num = -4;
clc
fprintf('SERIAL PORT OPEN\n\n');
fprintf('Sending hidden layer matrix values to serial.\n\n');
for node=1:s(2)
    for wt=1:s(1)
        % send as its value * 1000000 (6 digits of precision)
        % will need to convert back on other end
        fprintf('|');
        fprintf(ser,'%d\r', round(1000000*net.hidden_layer_weights(wt,node)));
        byte_num = byte_num+4;
        if(byte_num == page_size)
            pause(1);
            byte_num = 0;
        end
        pause(0.05);
    end
    fprintf('\nWeights for node %d sent.\n', node);
end
pause(3);
fprintf('\nSending output layer matrix values to serial.\n\n');
for node=1:s2(2)
    for wt=1:s2(1)
        % send as its value * 1000000 (6 digits of precision)
        % will need to convert back on other end
        fprintf('|');
        fprintf(ser,'%d\r', round(1000000*net.output_layer_weights(wt,node)));
        if(byte_num == page_size)
            pause(1);
            byte_num = 0;
        end
        pause(0.05);
    end
    fprintf('\nWeights for node %d sent.\n', node);
end
% send extra value. (For some reason the other end needs this)
fprintf(ser,'1234567\r');
fclose(ser);
printf('Complete!\n');
end

Answer 1

[Star Strider]

See if using the Layer addressing will work. See specifically Access Layers and Properties in a Layer Array.