New Source for Data Flow Unexpected Error

[DemiHaung]

Hi Guys 

I'm trying to add a new SQL source to my Data flow but it prompts "Unexpected Error"

But when I try to publish a report that uses the same credentials but without using data flow it works

[v-lili6-msft]

hi  @DemiHaung 

I have tested on my side, it works well.

No sure what cause this error from the screenshot, you may directly create a support ticket,  provide a sessionId and power bi support team could give you further help.

Regards,

Lin