Problem with upload ...

Hi friends, iam beginner in ThemeForest because first time upload template in ThemeForest. I have been harassed for many days with this problem. I have a problem with upload and and the problems it gives me, I’ve sorted it out and tried it over and over again in more ways please help me, thanks :grin:

01_slika.png must be inside the zip file. So, zip that image inside for example file and that upload.