jpeg_write encounter error in jpeg_toolbox.

I mex the jpeg_reade and jpeg_write in matlab. The jpeg_read can use, but the jpeg_write encounter error as follow:

i use the Macos 10.15.6, matlab 2019b.

and when i mex the jpeg_read and jpeg_write the warning as follows:

please help me to solve this error. thank you very much!

[Venus R]

hi, did you solved your problem? i have the same problem, can you tell me what did you do to get rid of that?