System.ArgumentNullException: Value cannot be null.
Parameter name: value
   at System.String.StartsWith(String value, StringComparison comparisonType)
   at MuME2.ViewModels.EventDetailViewModel.CheckLocation(Session s) in D:\a\1\s\src\Legacy\MuME2.Core\ViewModels\Events\EventDetailViewModel.cs:line 192
   at MuME2.ViewModels.EventDetailViewModel.<>c__DisplayClass50_0.<PreselectModules>b__2(Session s) in D:\a\1\s\src\Legacy\MuME2.Core\ViewModels\Events\EventDetailViewModel.cs:line 168
   at System.Linq.Enumerable.FirstOrDefault[TSource](IEnumerable`1 source, Func`2 predicate)
   at MuME2.ViewModels.EventDetailViewModel.PreselectModules() in D:\a\1\s\src\Legacy\MuME2.Core\ViewModels\Events\EventDetailViewModel.cs:line 167
   at Mum.Relaunch.Web.Controllers.Modules.EventDetailModuleController.SetupViewModel(EventDetailViewModel viewModel) in D:\a\1\s\src\Legacy\Mum.Relaunch.Web\Controllers\Modules\EventDetailModuleController.cs:line 126
   at Mum.Relaunch.Web.Controllers.Modules.EventDetailModuleController.Index(String mode, String location, String start, String error) in D:\a\1\s\src\Legacy\Mum.Relaunch.Web\Controllers\Modules\EventDetailModuleController.cs:line 98
   at lambda_method(Closure , ControllerBase , Object[] )
   at System.Web.Mvc.ControllerActionInvoker.InvokeActionMethod(ControllerContext controllerContext, ActionDescriptor actionDescriptor, IDictionary`2 parameters)
   at System.Web.Mvc.ControllerActionInvoker.<>c__DisplayClass24_0.<InvokeActionMethodWithFilters>b__0()
   at System.Web.Mvc.ControllerActionInvoker.InvokeActionMethodFilter(IActionFilter filter, ActionExecutingContext preContext, Func`1 continuation)
   at System.Web.Mvc.ControllerActionInvoker.InvokeActionMethodFilter(IActionFilter filter, ActionExecutingContext preContext, Func`1 continuation)
   at System.Web.Mvc.ControllerActionInvoker.InvokeAction(ControllerContext controllerContext, String actionName)