PBI Rest API Dynamic Bearer Token not working

Recommend opening a new Issue  (  https://community.fabric.microsoft.com/t5/forums/postpage/board-id/Issues), or if this is an urgent issue that needs to be addressed immediately, you need to get actual Microsoft support involved. To do this, open a support ticket here:

Power BI - https://support.powerbi.com
PowerAutomate - https://flow.microsoft.com/support
Power Apps - https://support.powerapps.com