I have crm 2013 and the trace log I have this recurring exception everywhere...could someone help please....
Crm Exception: Message: Expected non-empty Guid.
Process: w3wp |Organization:00000000-0000-0000-0000-000000000000 |Thread: 249 |Category: Exception |User: 00000000-0000-0000-0000-000000000000 |Level: Error |ReqId: f5184867-7fd4-4c82-9b5d-16d6dea65188 | CrmException..ctor ilOffset = 0x7
at CrmException..ctor(String message, Exception innerException, Int32 errorCode, Boolean isFlowControlException) ilOffset = 0x7
at CrmException..ctor(String message, Exception innerException, Int32 errorCode) ilOffset = 0x5
at Exceptions.ThrowIfGuidEmpty(Guid parameter, String name) ilOffset = 0x18
at OrganizationSdkServiceInternal.Retrieve(String entityName, Guid id, ColumnSet columnSet, CorrelationToken correlationToken, CallerOriginToken callerOriginToken, WebServiceType serviceType, Boolean checkAdminMode) ilOffset = 0x16
at InprocessServiceProxy.RetrieveCore(String entityName, Guid id, ColumnSet columnSet) ilOffset = 0x28
at OrganizationServiceProxy.Retrieve(String entityName, Guid id, ColumnSet columnSet) ilOffset = 0x4
at EntityDictionary.TryRetrieveEntity(String key) ilOffset = 0xF8
at EntityDictionary.System.Collections.Generic.IDictionary<System.String,Microsoft.Xrm.Sdk.Entity>.get_Item(String key) ilOffset = 0x1B
at VisualBasicValue`1.Execute(CodeActivityContext context) ilOffset = 0x51
at ActivityExecutor.ExecuteInResolutionContext(ActivityInstance parentInstance, Activity`1 expressionActivity) ilOffset = 0x35
at InArgument`1.TryPopulateValue(LocationEnvironment targetEnvironment, ActivityInstance activityInstance, ActivityExecutor executor) ilOffset = 0x2F
at ActivityInstance.InternalTryPopulateArgumentValueOrScheduleExpression(RuntimeArgument argument, Int32 nextArgumentIndex, ActivityExecutor executor, IDictionary`2 argumentValueOverrides, Location resultLocation, Boolean isDynamicUpdate) ilOffset = 0x16
at ActivityInstance.ResolveArguments(ActivityExecutor executor, IDictionary`2 argumentValueOverrides, Location resultLocation, Int32 startIndex) ilOffset = 0x9C
at ExecuteActivityWorkItem.ExecuteBody(ActivityExecutor executor, BookmarkManager bookmarkManager, Location resultLocation) ilOffset = 0x1C
at ActivityExecutor.OnExecuteWorkItem(WorkItem workItem) ilOffset = 0x53
at Callbacks.ExecuteWorkItem(WorkItem workItem) ilOffset = 0xD
at Scheduler.OnScheduledWork(Object state) ilOffset = 0xC5
at SendOrPostThunk.UnhandledExceptionFrame(Object state) ilOffset = 0x0
at PumpBasedSynchronizationContext.DoPump() ilOffset = 0x2E
at WorkflowApplication.Invoke(Activity activity, IDictionary`2 inputs, WorkflowInstanceExtensionManager extensions, TimeSpan timeout) ilOffset = 0x23
at WorkflowInvoker.Invoke(Activity workflow, IDictionary`2 inputs, TimeSpan timeout, WorkflowInstanceExtensionManager extensions) ilOffset = 0x36
at SynchronousWorkflowActivityHost.ExecuteWorkflowUsingInvoker(Activity workflow, ICommonWorkflowContext context) ilOffset = 0xD0
at SynchronousWorkflowActivityHost.StartWorkflow(WorkflowActivationData activationData, ICommonWorkflowContext context) ilOffset = 0x73
at SynchronousWorkflowActivityHost.StartWorkflow(ICommonWorkflowContext context) ilOffset = 0xBA
at WorkflowProcessServiceInternalHandler`1.ExecuteSyncWorkflow(Guid workflowId, PipelineExecutionContext pipelineContext, IGenericEventData workflowInstanceData, Boolean isTriggered) ilOffset = 0x59
at WorkflowProcessServiceInternalHandler`1.ExecuteTriggeredSyncWorkflow(Guid workflowId, PipelineExecutionContext pipelineContext) ilOffset = 0x21
at SyncWorkflowExecutionPlugin.Execute(IServiceProvider provider) ilOffset = 0x2C
at V5PluginProxyStep.ExecuteInternal(PipelineExecutionContext context) ilOffset = 0x2A3
at VersionedPluginProxyStepBase.Execute(PipelineExecutionContext context) ilOffset = 0x65
at Pipeline.Execute(PipelineExecutionContext context) ilOffset = 0x6C
at MessageProcessor.Execute(PipelineExecutionContext context) ilOffset = 0x1FB
at InternalMessageDispatcher.Execute(PipelineExecutionContext context) ilOffset = 0xE4
at ExtensiblePlatformMessageDispatcher.Execute(PipelineExecutionContext pluginContext) ilOffset = 0x0
at ExtensiblePlatformMessageDispatcher.CreateWithInvocationSource(BusinessEntity entity, Int32 invocationSource, ExecutionContext context) ilOffset = 0xB4
at BusinessProcessObject.Create(IBusinessEntity entity, ExecutionContext context) ilOffset = 0x54
at AttachmentServiceBase.Create(IBusinessEntity entity, ExecutionContext context) ilOffset = 0x5D
at AnnotationServiceInternal`1.Create(IBusinessEntity entity, ExecutionContext context) ilOffset = 0x52
at RuntimeMethodHandle.InvokeMethod(Object target, Object[] arguments, Signature sig, Boolean constructor) ilOffset = 0xFFFFFFFF
at RuntimeMethodInfo.UnsafeInvokeInternal(Object obj, Object[] parameters, Object[] arguments) ilOffset = 0x25
at RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture) ilOffset = 0xCF
at LogicalMethodInfo.Invoke(Object target, Object[] values) ilOffset = 0x4F
at InternalOperationPlugin.Execute(IServiceProvider serviceProvider) ilOffset = 0x57
at V5PluginProxyStep.ExecuteInternal(PipelineExecutionContext context) ilOffset = 0x200
at VersionedPluginProxyStepBase.Execute(PipelineExecutionContext context) ilOffset = 0x65
at Pipeline.Execute(PipelineExecutionContext context) ilOffset = 0x6C
at MessageProcessor.Execute(PipelineExecutionContext context) ilOffset = 0x1C5
at InternalMessageDispatcher.Execute(PipelineExecutionContext context) ilOffset = 0xE4
at ExternalMessageDispatcher.ExecuteInternal(IInProcessOrganizationServiceFactory serviceFactory, IPlatformMessageDispatcherFactory dispatcherFactory, String messageName, String requestName, Int32 primaryObjectTypeCode, Int32 secondaryObjectTypeCode, ParameterCollection fields, CorrelationToken correlationToken, CallerOriginToken originToken, UserAuth userAuth, Guid callerId, Guid transactionContextId, Int32 invocationSource, Nullable`1 requestId, Version endpointVersion) ilOffset = 0x16E
at OrganizationSdkServiceInternal.ExecuteRequest(OrganizationRequest request, CorrelationToken correlationToken, CallerOriginToken callerOriginToken, WebServiceType serviceType, UserAuth userAuth, Guid targetUserId, OrganizationContext context, Boolean returnResponse, Boolean checkAdminMode) ilOffset = 0x1F1
at OrganizationSdkServiceInternal.ExecuteRequest(OrganizationRequest request, CorrelationToken correlationToken, CallerOriginToken callerOriginToken, WebServiceType serviceType, Boolean checkAdminMode) ilOffset = 0x2D
at OrganizationSdkServiceInternal.Execute(OrganizationRequest request, CorrelationToken correlationToken, CallerOriginToken callerOriginToken, WebServiceType serviceType, Boolean checkAdminMode) ilOffset = 0x26
at InprocessServiceProxy.ExecuteCore(OrganizationRequest request) ilOffset = 0x34
at PlatformCommand.XrmExecuteInternal() ilOffset = 0xF6
at CreateCommand.Execute() ilOffset = 0xC
at EntityProxy.Create(Boolean performDuplicateCheck, Guid auditingTransactionId) ilOffset = 0x0
at EntityProxy.Create(Boolean performDuplicateCheck) ilOffset = 0x7
at EntityProxy.CreateAndRetrieve(String[] columnSet, Boolean performDuplicateCheck) ilOffset = 0x0
at AnnotationWebService.SaveWithAttachment(String id, Boolean update, Int32 type, String dataXml) ilOffset = 0x93
at RuntimeMethodHandle.InvokeMethod(Object target, Object[] arguments, Signature sig, Boolean constructor) ilOffset = 0xFFFFFFFF
at RuntimeMethodInfo.UnsafeInvokeInternal(Object obj, Object[] parameters, Object[] arguments) ilOffset = 0x25
at RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture) ilOffset = 0xCF
at LogicalMethodInfo.Invoke(Object target, Object[] values) ilOffset = 0x4F
at WebServiceHandler.Invoke() ilOffset = 0xC3
at WebServiceHandler.CoreProcessRequest() ilOffset = 0x13E
at SyncSessionlessHandler.ProcessRequest(HttpContext context) ilOffset = 0x39
at HandlerWrapper.ProcessRequest(HttpContext context) ilOffset = 0x7
at CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() ilOffset = 0x18D
at HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) ilOffset = 0x15
at ApplicationStepManager.ResumeSteps(Exception error) ilOffset = 0x10A
at HttpApplication.System.Web.IHttpAsyncHandler.BeginProcessRequest(HttpContext context, AsyncCallback cb, Object extraData) ilOffset = 0x5C
at HttpRuntime.ProcessRequestInternal(HttpWorkerRequest wr) ilOffset = 0x16A
at ISAPIRuntime.ProcessRequest(IntPtr ecb, Int32 iWRType) ilOffset = 0x4B
>Crm Exception: Message: Expected non-empty Guid., ErrorCode: -2147220989, InnerException: System.ArgumentException: Expected non-empty Guid.