An error ocurred while processing ....

Hi Anonymous ,

>The operation was throttled by Power BI Premium because there were too many datasets being processed concurrently. Please try again later.

Based on the error message, please try to set schedule refresh for different datasets at different times, and make sure that you are using the latest version of gateway. 

Here are some sources about monitor and optimize Premium capacities. You could reference them to have a try.

Monitor Premium capacities with the app 

Optimizing Premium capacities 

Monitor and Manage Power BI Premium Capacity 

The similar thread:

https://www.pbiusergroup.com/communities/community-home/digestviewer/viewthread?MessageKey=ae4d8ffb-1909-4111-8c1a-a8616873eb2c&CommunityKey=b35c8468-2fd8-4e1a-8429-322c39fe7110&tab=digestviewer

Best Regards,

Xue Ding

If this post helps, then please consider Accept it as the solution to help the other members find it more quickly.