i have a problem with use of natsortfiles function and divide my images

hello,

I used the function given in the link below to Ordered read the images in the file.

In line 53 --->There was no error because it was a structure , but now (When i used of natsortfiles function :https://www.mathworks.com/matlabcentral/answers/335698-how-to-sort-a-structure-array ) it has an error ,i think because it changed into a cell array.

To resolve this problem, I used the line 47 (structtt = cat (1, cellFileNames {:});) but the problem has not been resolved. In general, i want to read my images in folders (sorted :1,2,3,4,.....) and divide them to train and test images.

Please help me. Thank you so much

[Stephen23]

Duplicate:

https://www.mathworks.com/matlabcentral/answers/463250-i-have-a-problem-with-use-of-natsortfiles-function-and-divide-my-images