Server Error in '/' Application.

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Line 106:                        <h2>Brands</h2>
Line 107:                        @if(Page.ActionId == "3" || Page.ActionId == "6") {
Line 108:                            @ListHelper.Brands(Page.DeptCode, Page.ClassCode, Page.SubclassCode)
Line 109:                        } else {
Line 110:                            @ListHelper.Brands()

[RuntimeBinderException: The call is ambiguous between the following methods or properties: 'ASP.ListHelper.Brands(string, string, string, string, string, string, string)' and 'ASP.ListHelper.Brands(System.Collections.Generic.IEnumerable<object>, string, string, string)']
   CallSite.Target(Closure , CallSite , Type , Object , Object , Object ) +190
   ASP._Page_Shared_Custom__Layout_cshtml.Execute() in c:\inetpub\wwwroot\Shared\Custom\_Layout.cshtml:108
   System.Web.WebPages.WebPageBase.ExecutePageHierarchy() +197
   System.Web.WebPages.WebPage.ExecutePageHierarchy(IEnumerable`1 executors) +69
   System.Web.WebPages.WebPage.ExecutePageHierarchy() +131
   System.Web.WebPages.WebPageBase.ExecutePageHierarchy(WebPageContext pageContext, TextWriter writer, WebPageRenderingBase startPage) +90
   System.Web.WebPages.<>c__DisplayClass7.<RenderPageCore>b__6(TextWriter writer) +231
   System.Web.WebPages.HelperResult.WriteTo(TextWriter writer) +10
   System.Web.WebPages.WebPageBase.Write(HelperResult result) +80
   System.Web.WebPages.WebPageBase.RenderSurrounding(String partialViewName, Action`1 body) +63
   System.Web.WebPages.WebPageBase.PopContext() +263
   System.Web.WebPages.WebPageBase.ExecutePageHierarchy(WebPageContext pageContext, TextWriter writer, WebPageRenderingBase startPage) +98
   System.Web.WebPages.<>c__DisplayClass7.<RenderPageCore>b__6(TextWriter writer) +231
   System.Web.WebPages.HelperResult.WriteTo(TextWriter writer) +10
   System.Web.WebPages.WebPageBase.Write(HelperResult result) +80
   CallSite.Target(Closure , CallSite , _Page_ProductDetail_cshtml , Object ) +137
   ASP._Page_ProductDetail_cshtml.Execute() in c:\inetpub\wwwroot\ProductDetail.cshtml:6
   System.Web.WebPages.WebPageBase.ExecutePageHierarchy() +197
   System.Web.WebPages.WebPage.ExecutePageHierarchy(IEnumerable`1 executors) +69
   System.Web.WebPages.WebPage.ExecutePageHierarchy() +131
   System.Web.WebPages.StartPage.RunPage() +17
   System.Web.WebPages.StartPage.ExecutePageHierarchy() +64
   System.Web.WebPages.WebPageBase.ExecutePageHierarchy(WebPageContext pageContext, TextWriter writer, WebPageRenderingBase startPage) +78
   System.Web.WebPages.WebPageHttpHandler.ProcessRequestInternal(HttpContextBase httpContext) +116