[11:58:49:091]|[11-29-2022]|[SYSERR]|[INFO]|[122]: microsoft.exchange.webservices.data.core.exception.service.remote.ServiceResponseException: The operation can't be performed because the item is out of date. Reload the item and try again.|
[11:58:49:095]|[11-29-2022]|[SYSERR]|[INFO]|[122]: at microsoft.exchange.webservices.data.core.response.ServiceResponse.internalThrowIfNecessary(ServiceResponse.java:278)|
[11:58:49:095]|[11-29-2022]|[SYSERR]|[INFO]|[122]: at microsoft.exchange.webservices.data.core.response.ServiceResponse.throwIfNecessary(ServiceResponse.java:267)|
[11:58:49:099]|[11-29-2022]|[SYSERR]|[INFO]|[122]: at microsoft.exchange.webservices.data.core.request.MultiResponseServiceRequest.execute(MultiResponseServiceRequest.java:165)|
[11:58:49:099]|[11-29-2022]|[SYSERR]|[INFO]|[122]: at microsoft.exchange.webservices.data.core.ExchangeService.sendItem(ExchangeService.java:789)|
[11:58:49:101]|[11-29-2022]|[SYSERR]|[INFO]|[122]: at microsoft.exchange.webservices.data.core.service.item.EmailMessage.internalSend(EmailMessage.java:171)|
[11:58:49:101]|[11-29-2022]|[SYSERR]|[INFO]|[122]: at microsoft.exchange.webservices.data.core.service.item.EmailMessage.sendAndSaveCopy(EmailMessage.java:300)|
Reason:
Possible reason could be a racing condition / concurrent changes in the draft message before sending that mail.
Fix:
Apply the attached fjar file corresponding to your build version and restart the application service.