Внутренняя ошибка

Value cannot be null. Parameter name: String

   at System.Number.StringToNumber(String str, NumberStyles options, NumberBuffer& number, NumberFormatInfo info, Boolean parseDecimal)
   at System.Number.ParseInt32(String s, NumberStyles style, NumberFormatInfo info)
   at System.Int32.Parse(String s)
   at Sites_apps_route.MenuTree(WebModuleParams wmp) in d:\InetPub\NET_SANDBOX\Sites\apps.mineralogy.ru\route.ascx.cs:line 7080
   at Sites_apps_route.Mode_Usercomandir(WebModuleParams wmp) in d:\InetPub\NET_SANDBOX\Sites\apps.mineralogy.ru\route.ascx.cs:line 2389

Внутренняя ошибка

Parameter count mismatch.

   at System.Reflection.RuntimeMethodInfo.InvokeArgumentsCheck(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture)
   at System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture)
   at System.Reflection.MethodBase.Invoke(Object obj, Object[] parameters)
   at Imin.Web.CoreModules.WebModuleCustom.OnLoad(EventArgs e)