Data Import | Unzip Archive | A Question

whenever I directly upload images in temp folders and unzip via zip archive. I’ve ocassanly got such error.
what is matter on my code? Pleaes help mu out. This issue has been bugging me for a long time.

Ah I solve this problem. It’s a matter of uploading time.
It took some time to upload files in the temp folder.
I just remain this post for other learners.