An error is reported on line 100 of generate.m

[pfeducode]

An error is reported on line 100 of generate.m. "copyfile('3ddfa/pncc_code.mat', 'Out/pncc_code.mat')". I checked the MATLAB syntax and found that when the second parameter of copyfile is a file, the first parameter must be a folder。
https://ww2.mathworks.cn/help/matlab/ref/copyfile.html#bvigrz6-1

[pfeducode]

it work well when I use "copyfile( 'Out/pncc_code.mat','3ddfa/pncc_code.mat')" , my matlab version is R2021b