SoapServerException encountered when trying to add PDF item to Document Library?

I am doing PsiCapture migration, but I am encountering error of SoapServerException. Here is my scenario:

-  I am successfully able to migrate PDF documents using same settings and config on my Dev environment
SharePoint 2013 I am using

-  Configuration user is Site Collection Administrator

-  I am able to successfully upload PDF document to library using SharePoint GUI

-  Encountering the error below when try to migrate using PsiCapture (note: same settings its working in my dev environment).

Here is error:

Batch: 20130726.033002
Migration: Microsoft SharePoint Direct
Error: Error
System.ServiceModel.FaultException: Exception of type 'Microsoft.SharePoint.SoapServer.SoapServerException' was thrown.

Server stack trace: 
   at System.ServiceModel.Channels.ServiceChannel.HandleReply(ProxyOperationRuntime operation, ProxyRpc& rpc)
   at System.ServiceModel.Channels.ServiceChannel.Call(String action, Boolean oneway, ProxyOperationRuntime operation, Object[] ins, Object[] outs, TimeSpan timeout)
   at System.ServiceModel.Channels.ServiceChannelProxy.InvokeService(IMethodCallMessage methodCall, ProxyOperationRuntime operation)
   at System.ServiceModel.Channels.ServiceChannelProxy.Invoke(IMessage message)

Exception rethrown at [0]: 
   at System.Runtime.Remoting.Proxies.RealProxy.HandleReturnMessage(IMessage reqMsg, IMessage retMsg)
   at System.Runtime.Remoting.Proxies.RealProxy.PrivateInvoke(MessageData& msgData, Int32 type)
   at References.SharePoint.Lists.ListsSoap.GetListItems(GetListItemsRequest request)
   at References.SharePoint.Lists.ListsSoapClient.References.SharePoint.Lists.ListsSoap.GetListItems(GetListItemsRequest request)
   at References.SharePoint.Lists.ListsSoapClient.GetListItems(String listName, String viewName, XElement query, XElement viewFields, String rowLimit, XElement queryOptions, String webID)
   at References.SharePoint.SharePointServices.ListsServiceWCF.GetListItems(String listName, String viewName, XElement query, XElement viewFields, String rowLimit, XElement queryOptions, String webID)
   at PSIGEN.Capture.Migrations.SharePoint.SharePointDirectMigration.AddFileToSharePoint(SharePointDirectSettings settings, String documentLibraryName, String folderContentType, String documentContentType, String documentPath, String relativeFolderUrl, Document document, DataRecord record, FieldSettings fieldSettings, Boolean overwrite, String& message)
   at PSIGEN.Capture.Migrations.SharePoint.SharePointDirectMigration.ProcessDocumentRecord(Batch batch, Folder folder, Document document, DataRecord record, Int32 recordIndex, SharePointDirectSettings settings)
   at PSIGEN.Capture.Migrations.SharePoint.SharePointDirectMigration.PSIGEN.Capture.Modules.Migration.IMigration.ProcessDocumentRecord(Batch batch, Folder folder, Document document, DataRecord record, Int32 recordIndex, Object settings)
   at PSIGEN.Capture.Modules.Migration.MigrationModule.ProcessDocumentRecord(Lazy`2 migration, Int32 migrationsWorkflowInstance, Int32 step, MigrationWorkflowSettings settings, Object migrationSettings, PreProcessSettings preProcessSettings, PostProcessSettings postProcessSettings, Batch batch, Folder folder, Document document, DataRecord record, Int32 recordIndex, Boolean skipAlreadyProcessedDocuments, Documents documentsToSendToExceptionsBatch, MigrationState& state, Boolean& cancelledBatch, Boolean& documentRejected)
[7/26/2013 3:33:55 AM] Batch 20130726.033002: Migration Processing Error
[7/26/2013 3:33:55 AM] Batch 20130726.033002: Not Completed

Please help, as I don't understand the meaning of the error..