Provisioning "AsyncOperation" task to provision an
"code": 500, "message": "Sequence contains more than one matching element", "additionalNonlocalizableMessage": "", "error": "ApplicationUnknownError", "http_request": "POST /O365App/aps/asyncOperations"
ERROR aps_endpoint: System.InvalidOperationException: Sequence contains more than one matching element StackTrace: at System.Linq.Enumerable.Single[TSource](IEnumerable`1 source, Func`2 predicate) at Parallels.Office365.Gateway.ServiceProvider.PC.PcSubscriptionOperation.CreateAddonImpl(String tenantId, Order order, Guid trackingId) ... at Parallels.Office365.Gateway.ServiceProvider.PC.PcSubscriptionOperation.CreateAddonSubscription(Subscription subscription, Subscription parentSubscription, Boolean isAnnual) ...
Office 365 does not expect the situation when customer already has several equal Addon subscriptions on the Microsoft side and tries to purchase the same one in OA.
This behavior has been submitted to Odin Development team as request #APSA-19618: "Task "Provisioning "AsyncOperation" fails: "Sequence contains more than one matching element."
Contact email@example.com or TAM to trace the status of the request.
Workaround: purchase required Addon directly on the Microsoft side.