Server Error in '/' Application.

Key cannot be null.
Parameter name: key

Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: System.ArgumentNullException: Key cannot be null.
Parameter name: key

Source Error:

An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.

Stack Trace:


[ArgumentNullException: Key cannot be null.
Parameter name: key]
   System.Collections.Hashtable.get_Item(Object key) +13805115
   BaseWeb.UtilLang.trans(String key) in C:\GIT\BaseWeb\BaseWeb6\util\UtilLang.cs:24
   LandtagWebApp.abgeordnetedetail.Setup() in C:\GIT\Landtag\LandtagWebApp\abgeordnetedetail.aspx.cs:172
   LandtagWebApp.abgeordnetedetail.Page_Load(Object sender, EventArgs e) in C:\GIT\Landtag\LandtagWebApp\abgeordnetedetail.aspx.cs:34
   System.Web.UI.Control.OnLoad(EventArgs e) +108
   System.Web.UI.Control.LoadRecursive() +90
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +1533


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.8.4494.0