Will Gates 1 year and 3 weeks ago You sure can! Select Guide admin > Customize design icon () > View theme > Edit code () and select the Error page template. Keep in mind that this only allows you to edit the error page within Help Center. During a service interruption when Help Center may be inaccessible entirely, a green “oops” screen appears. This page is not editable at this time. Chris Reeves 1 year and 3 weeks ago Can I edit the error page of my theme? This request is closed for comments. You can create a follow-up.