Failed to update data source credentials in Power BI Service using Synapse server.

Hi Folks,

i have created one power bi report using source as synapse server . i have uploded to the Power BI Service. updated the credentials in the service. its working fine.

Today i have developed another report using another synapse server . it is working fine locally. The same report i have uploaded to Power BI Service . I am trying to chage credentials in the data source. I am unable to Authenticate with OAuth2 and Basic modes. Can you please help me.