Resolve "There was an error saving this dataflow to the server: System.Web.Services.Protocols.SoapHeaderException: Unable to commit" error after upgrading to Spectrum 9.0

Product Feature: Enterprise Designer

Issue

When trying to save or create a new dataflow in Enterprise Designer after upgrading from v8 to original v9 the below error is returned:

There was an error saving this dataflow to the server: System.Web.Services.Protocols.SoapHeaderException: Unable to commit; nested exception is com.pb.spectrum.api.persistence.PersistenceException: com.orientechnologies.orient.core.exception.OStorageException: Error during transaction commit.
at System.Web.Services.Protocols.SoapHttpClientProtocol.ReadResponse(SoapClientMessage message, WebResponse response, Stream responseStream, Boolean asyncCall)
at System.Web.Services.Protocols.SoapHttpClientProtocol.Invoke(String methodName, Object[] parameters)
at Group1.ESD.WebServiceProxies.Dataflow.DataflowManagerService.addDataflow(DataflowDefinition arg0)
at Group1.ESD.SAL.Services.Internal.DataflowManager.addDataflow(DataflowDefinition arg0)
at Group1.ESD.SAL.Services.DataflowService.AddDataflow(DataflowDefinition dataflowDefinition)
at Group1.ESD.Common.Applications.Dataflows.Editing.Saving.DataflowSaveHelper.InternalSave(Boolean newDataflow, DataflowDefinition dataflowDefinition, SaveResults results, ChangeTypes dirtyType)
 

Cause

This is a defect.

Resolution

UPDATED: October 20, 2017
Once the customer upgraded to verion 9.0 SP1 (262) and cleared the cache, the error went away.