Symptoms

Capital Process error
 

Diagnoses

We have a capital process which is failing on submission of new items. This previously worked without issue.

The following is generated in the HostServer log. Howerver none of the GUID's below appear to reference any of the GUIDs in the SmartObject Test tool. From here I dont know where to look to debug.

I've redeployed the workflow and attempted to refresh SMO's used in the workflow to no avail.

Stranger still, is that occasionally when the instance is not the latest submitted I can resubmit and the document will progress. This unfortunately doesn't always work..

"48166691","2015-02-18 14:54:50","Error","General","28083","ExtenderExecuteError","ProcessInstance.HandleException","28083 ClientEvent: SmartObject is empty.
InnerException: Exception has been thrown by the target of an invocation.
InnerException: An unexpected error has occured while trying to resolve a value for Resolver ID 106C5886-18B1-4c09-BEB3-6F7342669D18.
InnerException: An unexpected error has occured while trying to resolve a value for Resolver ID 106C5886-18B1-4c09-BEB3-6F7342669D18.
InnerException: An unexpected error has occured while trying to resolve a value for Resolver ID 22d1b47c-1d4a-4a8f-9f7e-3cb991e144c6.
InnerException: An unexpected error has occured while trying to resolve a value for Resolver ID 59F5D9BC-3B14-45ca-9C94-6FCB3C4D862F.
InnerException: SmartObject is empty.","","","FD30PWFL01:C:Program Files (x86)K2 blackpearlHost ServerBin","48166691","64b9621083114cfaa5b01734c925f2e1",""
 

Resolution

Read method used in Workflow was returning no value which results in the referenced error