There is no data in Sessions current activity dashboard of version 7.1 of a SSAS agent.
Once the SASS agent has been upgraded to 7.1 the sessions dashboard will be empty.
Workaround
Contact Support for a hotfix for this issue.
Status
This issue has been logged as defect FOG-7332 and has been fixed in the 7.2.3.10 release of the SQL Server cartridge.
