This is one that has been causing me some grief the past couple of weeks, after apply Project Server 2013 April CU (KB2737990) a couple of customers started reporting the following errors intermittently in the queue:

GeneralQueueJobFailed (26000) – ReportingProjectPublish.ReportProjectPublishMessageEx. Details: id=’26000′ name=’GeneralQueueJobFailed’ uid=’b62dc86f-30cf-e211-9409-00155d11030a’ JobUID=’2cc0c869-30cf-e211-9409-00155d11030a’ ComputerName=…

General Reporting message processor failed: ReportingProjectChangeMessageFailed (24006) – Object reference not set to an instance of an object.. Details: id=’24006′ name=’ReportingProjectChangeMessageFailed’ uid=’beef9169-30cf-e211-9409-00155d11030a’ QueueMessageBody=’Project UID=’e296653a-30cf-e211-9409-00155d11030a’. PublishType=’ProjectPublish” Error=’Object reference not set to an instance of an object.’. …

 

The ULS log indicates the source of this one:

PWA:, ServiceApp:Project Service Application, User:i:0?.t|liveid|…=, PSI: [RDS] ULS Event: ReportingProjectChangeMessageFailed was associated with exception: System.NullReferenceException: Object reference not set to an instance of an object.
at Microsoft.Office.Project.DataEdit.Reporting.ReportingData.
GetTaskBaselineCoreTimephasedDataSetInternal(BaselineEntity[] baselineEntityArray, Int32 nIntervalLengthMinutes, Boolean enforceMaxRowLimit, Int32& index)
at Microsoft.Office.Project.Server.DataAccessLayer.
TaskBaselinesTimephasedDataSync.GetTimephasedDataForEntities(IEnumerable`1 entities, Int32 interval, Int32& index)

 

So something is wrong in the baseline, unfortunately turns out to be nothing small!

Looks like ANY task with 0 duration causes this failure, yes that’s right any milestone included in the baseline!

Microsoft have confirmed this one just today so I certainly won’t be installing AprilCU ever again, however currently no workaround exists, so if like me you are stuck with this then for now take it up with Microsoft as they will hopefully have a fix ASAP, otherwise I’ll update this post when I learn more.

 

HTH,

Update 2/10/2013:

Thanks Carl Dalton for testing and confirming that an old workaround to a similar issue for 2007 actually fixes this one: http://carl-projectserver.blogspot.com.au/2013/09/issues-update-on-projectserver2013.html

Update 16/10/2013:

The Microsoft Hotfix is out in the October 2013 CU, see the actual KB and go download the patch: http://support.microsoft.com/kb/2825659/en-us

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