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-arnolt-fsports-clothing-fitness-equipment-shopify-theme.zip,

• You files like arnolt-demo01.zip, arnolt-demo02.zip, arnolt-demo03.zip, arnolt-demo04.zip and arnolt-demo05.zip , Log.txt and Readme.txt.

• You need to install the file "arnolt-demo01.zip, arnolt-demo02.zip, arnolt-demo03.zip, arnolt-demo04.zip or arnolt-demo05.zip" in the shopify store