Hi Имя Фамилия,
Thank you for reaching out to us via the Microsoft Q&A forum.
We would like to recommend that you utilize a single email address for both the streaming dataset and Power BI to complete the exercise seamlessly.
Could you please attempt to sign up for Power BI using your personal email address and proceed with the exercise accordingly?
For guidance on signing up for the Power BI service as an individual, please refer to the following link: https://learn.microsoft.com/en-us/power-bi/fundamentals/service-self-service-signup-for-power-bi#supported-email-addresses.
If you find this information helpful, we kindly ask that you accept the answer by clicking the "Upvote" and "Accept Answer" buttons on the post.
If you encounter any further issues, please do not hesitate to inform us in the comments. We are more than happy to assist you.
Thank you.