[InvalidOperationException: Sequence contains no matching element]
System.Linq.Enumerable.First(IEnumerable`1 source, Func`2 predicate) +381
BentleyIT.LearnWeb.Controllers.PublicController.BrowseLearningPaths(String productlineId, String productId, String generationId, String languageId, String courseLevelId, String LPStatusId, String CMStatusId, Boolean CustomLP, String searchKey, String resultType, Boolean searchByLearningpath) in d:\Builds\12\EngagementPlatform\App_BentleyIT.LearnWeb\Sources\Source\Apps\Learn\LearnWeb\BentleyIT.LearnWeb.Registration\Controllers\PublicController.cs:852
lambda_method(Closure , ControllerBase , Object[] ) +848
System.Web.Mvc.ReflectedActionDescriptor.Execute(ControllerContext controllerContext, IDictionary`2 parameters) +280
System.Web.Mvc.ControllerActionInvoker.InvokeActionMethod(ControllerContext controllerContext, ActionDescriptor actionDescriptor, IDictionary`2 parameters) +35
System.Web.Mvc.<>c__DisplayClass15.<InvokeActionMethodWithFilters>b__12() +80
System.Web.Mvc.ControllerActionInvoker.InvokeActionMethodFilter(IActionFilter filter, ActionExecutingContext preContext, Func`1 continuation) +454
System.Web.Mvc.ControllerActionInvoker.InvokeActionMethodFilter(IActionFilter filter, ActionExecutingContext preContext, Func`1 continuation) +454
System.Web.Mvc.ControllerActionInvoker.InvokeAction(ControllerContext controllerContext, String actionName) +658
System.Web.Mvc.Controller.ExecuteCore() +143
System.Web.Mvc.ControllerBase.Execute(RequestContext requestContext) +91
System.Web.Mvc.<>c__DisplayClassb.<BeginProcessRequest>b__5() +57
System.Web.Mvc.Async.<>c__DisplayClass1.<MakeVoidDelegate>b__0() +25
System.Web.Mvc.<>c__DisplayClasse.<EndProcessRequest>b__d() +60
System.Web.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +602
System.Web.HttpApplication.ExecuteStepImpl(IExecutionStep step) +195
System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +128
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