Creating a Report using Power BI Service

Hi medbea ,

Thank you for reaching out to Microsoft Fabric Community.
Thank you lbendlin for your prompt response.

You cannot create a new data model from scratch in Power BI Service. It must originate from Power BI Desktop.

Here are some resources to get you started with connecting to On-Prem data gateway ( ex: On -Prem SQL server ) from PowerBI.
What is an on-premises data gateway? | Microsoft Learn
How to download: Install an on-premises data gateway | Microsoft Learn
Configuration in Service: Add or remove a gateway data source - Power BI | Microsoft Learn

Tutorial to refresh data from an on-premises SQL Server database: Tutorial: Connect to on-premises data in SQL Server - Power BI | Microsoft Learn

If this post helps, then please consider Accepting as solution to help the other members find it more quickly, don't forget to give a "Kudos" – I’d truly appreciate it!