3643996 - know issues on Analytic Model Preview after wave 2025.16

On datasphere wave 2015.16 the UI5 was updated and there are 5 know issues:

1. Analytic Model Preview shows wrong data with NON-default mandatory variables. 
2. In case of errors the Data Preview is not showing the expected error. No messages anymore but just an empty preview without any further information. 
3. Issue with variables, variables need to be entered again
4. Issue with imported model that the dimension has a compound key the following error is raised
   1. See the error message in the GetRepsonse call:  
      "Messages": [{             "Type": 1,             "Number": 42426,             "Text": "Invalid attribute name : The attribute xxxx∞D1 is not part of dimension _xxxx∞1"         }
      ,
              {             "Type": 2,             "Number": 42014,             "Text": "Caught exception : exception 2120042: An unexpected error occurred. For further information on this error search SAP notes for one of the following tags: loc=0xe261c4da76c86962, ctx=0x763f05ee1c8a129e. If you don't find an according note, open a support ticket and include the trace files containing correlation id 0x99a41bb34a141bec.\u000a"         } ]
5. When previewing analytic models with variables, the preview will prompt for variables to be filled. If the variable dialog is canceled, the screen will be empty and preview is unresponsive. 

SAP Datasphere

Analytic mode, blank screen, unresponsive, ui5 , KBA , DS-MD-AM , Analytic Model , Problem