Unable to Save As workbook into nested projects using Tableau Mobile App or mobile browser

Issue

When trying to Save As in web edit on the Tableau Mobile App or a mobile web browser, either the nested project will not even show up or you cannot tap on the parent project to expand the nested project.

Environment

Tableau Server 2018.3 and earlier versions
Android and iOS
Mobile App 18.304.1 (latest from App Store)

Resolution

Upgrade to Tableau Server 2019.1.1 or a newer version. Click here for downloads of current and previous versions of Tableau Server: Tableau Server Downloads and Release Notes. For more information on current releases, see Upgrade Tableau Server and Server Upgrade.