Get Expression.Error: The column 'entityName' of the table wasn't found.

[Anonymous]

Then in Power BI Descktop I try to connect to any of my DataFlow thru DataFlow (Beta)  get

Expression.Error: The column 'entityName' of the table wasn't found.

But no one table on DataFlow has that column 
And all reports that was created previously thru works and refresh fine on Power BI service

After choosing dataflows (Beta) - Get Errors for all dataflows

26/04/2021 UPD: 
Crashed refreshing all reports with DataFlow (Beta) on server:

[evgenypopov]

Same error after latest update

[cvillegas]

Same error for us starting late from April 21st to April 22nd EDT when pulling across other services. PowerApps can't pull data from Dataflows in Power BI whereby they're receiving the same error. We've gone through a gamut of troubleshooting and didn't make any changes that night.

[mikesmith_bp]

This has to be a bug on the Microsoft side right?

[dufletch]

I'm actually quite relieved other people are experiencing this - thought it was just me! I've already raised an incident with Microsoft and suggest other pro users do the same so they can appriciate the impact here.

I've got a call with them on Monday and will keep you guys updated.

[mikesmith_bp]

I started receiving the same error yesterday.  Still getting it today.  My error is in a PowerApps Dataflow where i am bringing in Power BI data.

[GilbertQ]

Hi @Anonymous 

I would suggest checking to see if the dataflow name has changed?

[Anonymous]

No, nothing was changed

[DemiHaung]

I got the same error