An issue was reported in a few threads on the forums related to an error message that would appear when attempting to retrieve data from 'My Content'. This issue has now been resolved and the fix has been deployed to production.
You may need to clear your cache or refresh your Power Automate session if you do not see the changes. Please let me know if you have any other issues regarding this fix or if you are still seeing the problem occur.
Related threads:
- Unable to retrieve feature layers when setting up ... - Esri Community
- Solved: Re: issue retrieving feature layer using Template - Esri Community
BEFORE FIX

AFTER FIX
