Change your Site Builder, Library, and Chrome extension preferences to match the style guide version you have which can be found typically on the style guide page within webflow or you can assume that its a v2.1 style guide before variables was even a feature in Webflow, this will avoid any issues with variables missing. Learn more here on this one: https://www.relume.io/resources/docs/updating-existing-projects#change-your-component-library-preferences
Updating to the New Relume Style Guide in Webflow | Relume Community