Cannot refresh my dataflow Premium Per User - Error: An internal error occurred.. PowerBI

[adminctb]

Hi, my dataflow was refreshing without any issue for the last couple of months. Since 2 days ago, I can no longer refresh my dataflow, which is a Workspace Premium per User. I get this error message from Power BI : Error: An internal error occurred.. PowerBIApiErrorResponse = {}.Param1 = {"Message":"An error has occurred."}. All my tables contain data and seem perfectly normal, and I have not modified anything in the dataflow. I also notice that the Dataflow Premium Per User is particularly slow compared to my other dataflows since 2 days ago. When I click to edit the tables, it can take a couples of minutes for Power Query to open, which is very unusual (and maybe completly unrelated). Any ideas?

I need help as soon as possible. Thanks in advance.

[lbendlin]

You can raise an issue at https://issues.powerbi.com . If you have a Pro license you can consider raising a Pro ticket at https://powerbi.microsoft.com/en-us/support/pro/