Hi,
Any updates or changes to the Azure Tenant / AVD recently? As the error points to the consent required for the service, check this similar thread on the old release and consent was required to allow access - https://techcommunity.microsoft.com/t5/azure-virtual-desktop/caa20004-aadsts65005-the-app-needs-access-to-a-service/m-p/1403787
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