Server Error in '/' Application.

Invalid expression: Expression expected at position 0 in ', and (itemTopics/any(c:c eq 'lymphoma') or itemTopics/any(c:c eq 'Lymphoma') or itemTopics/any(c:c eq 'LYMPHOMA') or itemTopics/any(c:c eq 'lymphoma'))'.
Parameter name: $filter

Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: Microsoft.Rest.Azure.CloudException: Invalid expression: Expression expected at position 0 in ', and (itemTopics/any(c:c eq 'lymphoma') or itemTopics/any(c:c eq 'Lymphoma') or itemTopics/any(c:c eq 'LYMPHOMA') or itemTopics/any(c:c eq 'lymphoma'))'.
Parameter name: $filter

Source Error:


Line 169:
Line 170:	// Execute the search query based on the specified search text and search parameters
Line 171:	response = indexClient.Documents.Search(searchText, sp);
Line 172:	
Line 173:	int totalResults = Convert.ToInt32(response.Count);

Source File: C:\home\site\wwwroot\Views\TAPTopic.cshtml    Line: 171

Stack Trace:


[CloudException: Invalid expression: Expression expected at position 0 in ', and (itemTopics/any(c:c eq 'lymphoma') or itemTopics/any(c:c eq 'Lymphoma') or itemTopics/any(c:c eq 'LYMPHOMA') or itemTopics/any(c:c eq 'lymphoma'))'.
Parameter name: $filter]
   Microsoft.Azure.Search.<DoContinueSearchWithHttpMessagesAsync>d__0`3.MoveNext() +3729
   System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() +32
   System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) +62
   Microsoft.Azure.Search.<SearchAsync>d__2d.MoveNext() +389
   System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw() +32
   System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) +62
   Microsoft.Azure.Search.DocumentsOperationsExtensions.Search(IDocumentsOperations operations, String searchText, SearchParameters searchParameters, SearchRequestOptions searchRequestOptions) +238
   ASP._Page_Views_TAPTopic_cshtml.Execute() in C:\home\site\wwwroot\Views\TAPTopic.cshtml:171
   System.Web.WebPages.WebPageBase.ExecutePageHierarchy() +252
   System.Web.Mvc.WebViewPage.ExecutePageHierarchy() +148
   System.Web.WebPages.WebPageBase.ExecutePageHierarchy(WebPageContext pageContext, TextWriter writer, WebPageRenderingBase startPage) +107
   Umbraco.Core.Profiling.ProfilingView.Render(ViewContext viewContext, TextWriter writer) +200
   System.Web.Mvc.ViewResultBase.ExecuteResult(ControllerContext context) +378
   System.Web.Mvc.ControllerActionInvoker.InvokeActionResultFilterRecursive(IList`1 filters, Int32 filterIndex, ResultExecutingContext preContext, ControllerContext controllerContext, ActionResult actionResult) +91
   System.Web.Mvc.ControllerActionInvoker.InvokeActionResultFilterRecursive(IList`1 filters, Int32 filterIndex, ResultExecutingContext preContext, ControllerContext controllerContext, ActionResult actionResult) +795
   System.Web.Mvc.ControllerActionInvoker.InvokeActionResultFilterRecursive(IList`1 filters, Int32 filterIndex, ResultExecutingContext preContext, ControllerContext controllerContext, ActionResult actionResult) +795
   System.Web.Mvc.ControllerActionInvoker.InvokeActionResultFilterRecursive(IList`1 filters, Int32 filterIndex, ResultExecutingContext preContext, ControllerContext controllerContext, ActionResult actionResult) +795
   System.Web.Mvc.ControllerActionInvoker.InvokeActionResultWithFilters(ControllerContext controllerContext, IList`1 filters, ActionResult actionResult) +81
   System.Web.Mvc.Async.<>c__DisplayClass3_1.<BeginInvokeAction>b__1(IAsyncResult asyncResult) +188
   System.Web.Mvc.Async.AsyncControllerActionInvoker.EndInvokeAction(IAsyncResult asyncResult) +38
   System.Web.Mvc.<>c.<BeginExecuteCore>b__152_1(IAsyncResult asyncResult, ExecuteCoreState innerState) +29
   System.Web.Mvc.Async.WrappedAsyncVoid`1.CallEndDelegate(IAsyncResult asyncResult) +73
   System.Web.Mvc.Controller.EndExecuteCore(IAsyncResult asyncResult) +52
   System.Web.Mvc.Async.WrappedAsyncVoid`1.CallEndDelegate(IAsyncResult asyncResult) +39
   System.Web.Mvc.Controller.EndExecute(IAsyncResult asyncResult) +38
   System.Web.Mvc.<>c.<BeginProcessRequest>b__20_1(IAsyncResult asyncResult, ProcessRequestState innerState) +43
   System.Web.Mvc.Async.WrappedAsyncVoid`1.CallEndDelegate(IAsyncResult asyncResult) +73
   System.Web.Mvc.MvcHandler.EndProcessRequest(IAsyncResult asyncResult) +38
   System.Web.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +431
   System.Web.HttpApplication.ExecuteStepImpl(IExecutionStep step) +75
   System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +158


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.8.4690.0