Missing template "layout/theme.liquid"

• When I upload the zip file to Shopify I get an error saying "zip does not contain a valid theme: missing template "layout/theme.liquid".

• The package you received from Themeforest has the following items: file, documentation, log.txt, readme

• Please Extract the whole package after downloading it from Themeforest. themeforest-xxxxx-red-art-shopify-arts-portfolio-gallery-store.zip,

• You files like red-art.zip Log.txt and Readme.txt.

• You need to install the file "red-art.zip" in the shopify store