error occured during use jpeg_write

machine:64bit

os:windows 7

matlab:2018a

i run jpeg_read and recieved a struct that one of it's member is coef_arrays.this is DCT quantizied coeficients. after i changed in these coef, i need to write this struct ad a jpg file. but appen this error. what should i do?

[Walter Roberson]

(Links to jpeg_read / jpeg_write were given in https://www.mathworks.com/matlabcentral/answers/313501-what-are-the-steps-to-use-phil-sallee-s-jpeg-toolbox-for-matlab#answer_244380 )

[negar zamani]

I tested it and ...

??????????

[yuanyuan yuan]

Hello，have you solved your jPEG_write error? How did you solve it? I have the same problem.