This looks to be a permissions issue. Are you sure the user has the Skuid page builder permission set, and access to setup and configuration (so they can see user info?)
Well… I’m seeing the error and I’m the admin, but let me see if anything changed with my permissions. (Any chance I would need to update my permission set after installing the latest version of Skuid?)
I think that was the case for me - I added three permission sets to my profile (Skuid Admin, Skuid Page Builder, Skuid Page Viewer) and the error went away. Thanks, Rob!