Severity Code Description Project Path File Line Suppression State Error DEP0700: Registration of the app failed. [0x80073CFB] Another user has already installed an unpackaged version of this app. The current user cannot replace this with a packaged version. The conflicting package is 88D96A69-2E7E-4358-A75D-97B980372496 and it was published by CN=[USERNAME]. [APPNAME]