Refresh Error

You have provided incorrect credentials, namely a blank username.

Hi, Anonymous 

As lbendlin said, your issue is caused by a missing or empty username in your SQL data source credentials. You can modify the data source credentials for the semantic model in your workspace on the Power BI service

You can check the following posts:

Solved: DM_GWPipeline_Gateway_MashupDataAccessError - Microsoft Fabric Community

Solved: DM_GWPipeline_Gateway_MashupDataAccessError error ... - Microsoft Fabric Community

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Best Regards

Yongkang Hua

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