Thank you for reaching out to us on the Microsoft Q&A forum.
To successfully complete the Power BI lab exercises on your own machine, please follow the setup guide available here.
- Installing Power BI Desktop.
- Setting up a Microsoft 365 Developer Account for required organizational sign-in.
- Installing SQL Server for local database access.
Ensure each step is followed carefully for a smooth experience. Let me know if you have any issues.
If you are still facing any issue, please let us know in the comments and where you are encountering this error along with the screenshot for reference. We are glad to help you.
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Thank you.