Customers on Xanadu can upgrade Workflow Studio to a Yokohama-only compatible version. This removes Save and Activate buttons from all Flows and sub-Flows.Description* Builds that are known to be affected (e.g. Rome Patch 1) Xanadu* The Environment (e.g. Browser, Database, Server, sometimes OS):Mac OS, Chrome>> Issue Description:* Succinct description of what is breaking and the conditions:When a customer is on a Xanadu patch, they can upgrade their Workflow Studio to a Yokohama-only compatible version. As a result, on every Flow and sub-Flow in their instance, the "Save" and "Activate" buttons are gone.* Symptoms:"Save" and "Activate" buttons are gone in the Flow Designer UI.* Error messages:N/ASteps to Reproduce * Include pre-requisites when reproducing the issue on a default version demo instance. (e.g. activate a certain plugin):1. Be on a Xanadu instance2. Go to Application Manager (Plugins)3. Search for and open the Workflow Studio plugin4. You can upgrade to the Yokohama-only compatible version, which will break the Flow Designer UI as some sys_hub_ui_element records are missing* Expected behavior:1. Customers should never be able to upgrade to a version not compatible with their current family version* Actual behavior:1. Customers, in this case, are able to upgrade to a version not compatible with their current family versionWorkaroundImport the attached XML and this will resolve the issue.Related Problem: PRB1881531