PowerAutomate history - Unexpected error. Unable to fetch
I my case to solve this issue, i press "ctrl + R" then "ctrl + F5", then i should wait a few minutes before opening les boxes and it's ok
If this error persists, you can download, full history in a csv file that you can analize, yes you need to rean JSON code and Sharepoint http requests
in your flow error message copy le run ID to seek it in your csv file in url
https://make.powerautomate.com/environments/Default-d035406542/solutions/b03b5e55-c8d9-ed11-a7c7-000d3a2726a5/flows/21fb6dc1-0412-3540684-f0a6881c120f/runs/08585210145218379217946437495CU195