The theme is missing the style.css stylesheet
If you get the The Package could not be installed. The theme is missing the style.css stylesheet error message then you are probably uploading the whole theme package zip file including the documentation, plugins and so on.
All you need to do is to upload the correct, small zip file. You can get it both ways:
- If you downloaded "All files & documentation" zip file from ThemeForest then you need to unzip that archive file first. Inside, you will find a proper, smaller zip file according to theme's name, i.e. crexis.zip, waxom.zip or north.zip. That is the file you need to upload.
- You may always download just the "Installable WordPress file" directly from ThemeForest. That archive is already ready to be uploaded to ThemeForest: