# Build 2324 - Continua.Web.Builds.Controllers.ConfigurationsController error
**URL:** https://www.finalbuilder.com/forums/t/build-2324-continua-web-builds-controllers-configurationscontroller-error/5847
**Category:** Bugs
**Created:** [July 31, 2013, 5:40am UTC](https://www.finalbuilder.com/forums/t/build-2324-continua-web-builds-controllers-configurationscontroller-error/5847 "2013-07-31T05:40:29Z")
**Posts on this page:** 2
**Page:** 1
### Author:  [@Jenasys](https://www.finalbuilder.com/forums/u/Jenasys)
#### Post date: [July 31, 2013, 5:40am UTC](https://www.finalbuilder.com/forums/t/build-2324-continua-web-builds-controllers-configurationscontroller-error/5847/1 "2013-07-31T05:40:29Z")
I got the following error in my event log.
Importance: Error
Date: Monday, 29 July 2013
Time: 8:01:40 PM
Message:
Web
The web server reported the following error:
Exception: ArgumentException
Message: The parameters dictionary contains a null entry for parameter 'id' of non-nullable type 'System.Int32' for method 'System.Web.Mvc.ActionResult GetUnitTestTooltip(Int32)' in 'Continua.Web.Builds.Controllers.ConfigurationsController'. An optional parameter must be a reference type, a nullable type, or be declared as an optional parameter.
Parameter name: parameters
Stack Trace: at System.Web.Mvc.ActionDescriptor.ExtractParameterFromDictionary(ParameterInfo parameterInfo, IDictionary`2 parameters, MethodInfo methodInfo)
at System.Linq.Enumerable.WhereSelectArrayIterator`2.MoveNext()
at System.Linq.Buffer`1..ctor(IEnumerable`1 source)
at System.Linq.Enumerable.ToArray[TSource](IEnumerable`1 source)
at System.Web.Mvc.ReflectedActionDescriptor.Execute(ControllerContext controllerContext, IDictionary`2 parameters)
at System.Web.Mvc.ControllerActionInvoker.InvokeActionMethod(ControllerContext controllerContext, ActionDescriptor actionDescriptor, IDictionary`2 parameters)
at System.Web.Mvc.Async.AsyncControllerActionInvoker.\<\>c\_\_DisplayClass37.\<\>c\_\_DisplayClass39.b\_\_33()
at System.Web.Mvc.Async.AsyncControllerActionInvoker.\<\>c\_\_DisplayClass4f.b\_\_49()
at System.Web.Mvc.Async.AsyncControllerActionInvoker.\<\>c\_\_DisplayClass37.b\_\_36(IAsyncResult asyncResult)
at System.Web.Mvc.Async.AsyncControllerActionInvoker.\<\>c\_\_DisplayClass25.\<\>c\_\_DisplayClass2a.b\_\_20()
at System.Web.Mvc.Async.AsyncControllerActionInvoker.\<\>c\_\_DisplayClass25.b\_\_22(IAsyncResult asyncResult)
at System.Web.Mvc.Controller.\<\>c\_\_DisplayClass1d.b\_\_18(IAsyncResult asyncResult)
at System.Web.Mvc.Async.AsyncResultWrapper.\<\>c\_\_DisplayClass4.b\_\_3(IAsyncResult ar)
at System.Web.Mvc.Controller.EndExecuteCore(IAsyncResult asyncResult)
at System.Web.Mvc.Async.AsyncResultWrapper.\<\>c\_\_DisplayClass4.b\_\_3(IAsyncResult ar)
at System.Web.Mvc.MvcHandler.\<\>c\_\_DisplayClass8.b\_\_3(IAsyncResult asyncResult)
at System.Web.Mvc.Async.AsyncResultWrapper.\<\>c\_\_DisplayClass4.b\_\_3(IAsyncResult ar)
at System.Web.HttpApplication.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute()
at System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously)
---
### Author:  [@Sparky](https://www.finalbuilder.com/forums/u/Sparky)
#### Post date: [July 31, 2013, 9:36am UTC](https://www.finalbuilder.com/forums/t/build-2324-continua-web-builds-controllers-configurationscontroller-error/5847/2 "2013-07-31T09:36:15Z")
Hi Jamie,
We’ve new added a check to the tool tip to prevent this exception occurring. This is in the new build 1.0.0.2352