SAP BW Connection error

Hi ALEX13,

You could have a good look at the blog below to connect to SAP BW from Power Bi desktop:

Microsoft Power BI and SAP BW Data Warehouse Connectivity step by step

Please pay attention to the fifth tip:

Make sure that Your Basis Administrator has disabled the Single Sign On option for your user account and enabled the Logon using Username/Password option.

Reference: similar thread which has been solved

Best regards,

Cherry