Refresh Failed: SSAS_ShortMessage_ProcessingError

Hi, Anonymous 

Please try refreshing the SSAS data source using the standard gateway.
Related link: Manage SQL Server Analysis Services data sources - Power BI | Microsoft Learn

Hope it helps!

Best Regards,
Yang
Community Support Team

If there is any post helps, then please consider Accept it as the solution  to help the other members find it more quickly.
If I misunderstand your needs or you still have problems on it, please feel free to let us know. Thanks a lot!

How to get your questions answered quickly --  How to provide sample data in the Power BI Forum