- For Example create a file called croatian.xml

- Copy the complete content from the english.xml to the croatian.xml file

- Now you need to modify the language name and language code

<Resources xmlns:xml="http://www.w3.org/XML/1998/namespace" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema" language="Croatian" code="hr">

Object reference not set to an instance of an object.

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.

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.

this is the stack

[NullReferenceException: Object reference not set to an instance of an object.]

YAF.Core.StaticDataHelper.Cultures() +840

YAF.Pages.Admin.languages.BindData() +17

YAF.Pages.Admin.languages.Page_Load(Object sender, EventArgs e) +289

System.Web.Util.CalliHelper.EventArgFunctionCaller(IntPtr fp, Object o, Object t, EventArgs e) +14

System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) +35

System.EventHandler.Invoke(Object sender, EventArgs e) +0

System.Web.UI.Control.OnLoad(EventArgs e) +99

System.Web.UI.Control.LoadRecursive() +50

System.Web.UI.Control.LoadRecursive() +141

System.Web.UI.Control.LoadRecursive() +141

System.Web.UI.Control.LoadRecursive() +141

System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +627