https://community.fabric.microsoft.com/t5/Service/Datamart-error-Unable-to-open-the-datamart-Wait-a-few-seconds/m-p/3119553
Solved: Re: Datamart error - Unable to open the datamart. ... - Page 2 - Microsoft Fabric Community
Apr 12, 2023 - Same for me. Any way to solve this ISSUE?
open the page