We have recently upgraded to D365 from CRM 2016 and now we get an error daily of system job that is called, "Recurring Series Expansion Job." The details of the error says: "Async Handler for Recurring Series Expansion Operation encountered some errors, see log for more detail.
Unhandled Exception: System.ServiceModel.FaultException`1[[Microsoft.Xrm.Sdk.OrganizationServiceFault, Microsoft.Xrm.Sdk, Version=9.0.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35]]: Async Handler for Recurring Series Expansion Operation encountered some errors, see log for more detail.Detail:
<OrganizationServiceFault xmlns:i="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://schemas.microsoft.com/xrm/2011/Contracts">
<ActivityId>e9874e00-0b89-4f61-a593-91e505b89ab0</ActivityId>
<ErrorCode>-2147220970</ErrorCode>
<ErrorDetails xmlns:d2p1="http://schemas.datacontract.org/2004/07/System.Collections.Generic" />
<Message>Async Handler for Recurring Series Expansion Operation encountered some errors, see log for more detail.</Message>
<Timestamp>2019-10-03T08:00:12.4399503Z</Timestamp>
<ExceptionRetriable>false</ExceptionRetriable>
<ExceptionSource i:nil="true" />
<InnerFault i:nil="true" />
<OriginalException i:nil="true" />
<TraceText i:nil="true" />
</OrganizationServiceFault>
Any help is appreciated. Thank you.