Unpublish app error

My app’s URL: https://go.glideapps.com/app/5RLcUs7ZOtTsMUYJpKXx

glide wont allow me to delete (oh sheet error). also will not allow me to upgrade billing plan

Have you actually published the app yet? By publish I mean select the Share App and then Publish. If not that may have something to do with it. If you have can you give us the app link .glideapp.io