Can anyone help me resolve this issue in CRM 2011
at CrmException..ctor(String message, Exception innerException, Int32 errorCode, Boolean isFlowControlException) ilOffset = 0x7
at CrmException..ctor(String message, Int32 errorCode) ilOffset = 0x5
at ConvertHelper.ToIndexValue(Object value) ilOffset = 0x75
at BusinessProcessObject.SetChildEnumAttributesOnBusinessEntity(BusinessEntity entity, Int32 languageCode, ExecutionContext context) ilOffset = 0x132
at BusinessProcessObject.DoRetrieve(BusinessEntityMoniker moniker, BusinessEntity entity, EntityExpression entityExpression, ExecutionContext context, Int32 languageCode, DatabaseQueryTarget queryTarget) ilOffset = 0xD2
at BusinessProcessObject.Retrieve(BusinessEntityMoniker moniker, EntityExpression entityExpression, ExecutionContext context, Int32 languageCode, DatabaseQueryTarget queryTarget) ilOffset = 0x6E
at BusinessProcessObject.Retrieve(BusinessEntityMoniker moniker, EntityExpression entityExpression, ExecutionContext context, Int32 languageCode) ilOffset = 0x7
at BusinessProcessObject.Retrieve(BusinessEntityMoniker moniker, EntityExpression entityExpression, ExecutionContext context) ilOffset = 0xF
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 = 0x89
at LogicalMethodInfo.Invoke(Object target, Object[] values) ilOffset = 0x4F
at InternalOperationPlugin.Execute(IServiceProvider serviceProvider) ilOffset = 0x57
at V5PluginProxyStep.ExecuteInternal(PipelineExecutionContext context) ilOffset = 0x50
at VersionedPluginProxyStepBase.Execute(PipelineExecutionContext context) ilOffset = 0x65
at Pipeline.Execute(PipelineExecutionContext context) ilOffset = 0x65
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 = 0x156
at OrganizationSdkServiceInternal.ExecuteRequest(OrganizationRequest request, CorrelationToken correlationToken, CallerOriginToken callerOriginToken, WebServiceType serviceType) ilOffset = 0x1E0
at OrganizationSdkServiceInternal.Execute(OrganizationRequest request, CorrelationToken correlationToken, CallerOriginToken callerOriginToken, WebServiceType serviceType) ilOffset = 0x24
at InprocessServiceProxy.ExecuteCore(OrganizationRequest request) ilOffset = 0x34
at PlatformCommand.XrmExecuteInternal() ilOffset = 0xF6
at RetrieveCommand.Execute() ilOffset = 0x2
at EntityProxy.Retrieve(String[] columns, Guid auditingTransactionId) ilOffset = 0x3C
at EntityProxy.Retrieve(String columnSet, Guid auditingTransactionId) ilOffset = 0xB
at EntityProxy.Retrieve(String columnSet) ilOffset = 0x7
at AppForm.FormLoadEvent() ilOffset = 0x0
at AppForm.RaiseDataEvent(FormEventId eventId) ilOffset = 0xC5
at EndUserForm.Initialize(Entity entity) ilOffset = 0x1F
at CustomizableForm.Execute(Entity entity, FormDescriptor fd) ilOffset = 0x62
at CaseRecordPageHandler.ConfigureFormHandler() ilOffset = 0x7E
at GenericEventProcessor.RaiseEvent(String eventName) ilOffset = 0x2D
at PageManager.OnPreRender(EventArgs e) ilOffset = 0x47
at Control.PreRenderRecursiveInternal() ilOffset = 0x54
at Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) ilOffset = 0x6D3
at Page.ProcessRequest(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) ilOffset = 0x3C
at Page.ProcessRequest() ilOffset = 0x14
at Page.ProcessRequest(HttpContext context) ilOffset = 0x33
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: ToIndexValue supports only integer and boolean types. Actual Type: System.String, ErrorCode: -2147220989
