Error al subir tema de shopify

cuando quiero subir un tema escogido en shopify me salta el sigueinte error
zip does not contain a valid theme: missing template "layout/theme.liquid"
Alguien sabe que puedo hacer?

Hi @ladiva32,

Seems that you are uploading wrong .zip file. You should unzip package you downloaded from themeforest/elements and you will find another .zip in it, which should be called like your Please try to install that .zip