Home › Forums › Support › The package could not be installed. The theme is missing the style.css styleshee This topic has 2 replies, 2 voices, and was last updated 4 years, 3 months ago by David. Viewing 3 posts - 1 through 3 (of 3 total) Author Posts February 5, 2019 at 4:45 am #801865 CRAIG Disregard. This message appears because I was attempting to update GP Premium as a theme and it is a plugin. February 5, 2019 at 5:54 am #801906 CRAIG Resolved see first Comment. February 5, 2019 at 5:56 am #801909 DavidStaff Customer Support Glad to hear you found the solution. Author Posts Viewing 3 posts - 1 through 3 (of 3 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In