Calling #Macro Recursively

Hi,

I am trying to call <#macro> recursively.
I am getting the StackOVerFlowError, which means that their are unlimited
number of calls made wiithin a macro.

What I was actually doing is "Rendering a Menu". I have a List that contains
a menu bean. That menu bean can also have its children and these children
are also a list containing a menu bean.

example:

class MenuBean {

  String title;
  String url;
  List<MenuBean> children;
  etc..
}

I can have N numbers of children for each menu (no limit).

My macro is as follows:

<#macro menugenerator menuList>
        <#if menuList??>
                <#foreach element in menuList>
                       < span class="folder">< a 
href="${element.url}">${element.title}</ a></ span>..... // Generates Menu
                        <#if element.children??>
                            <@menugenerator menuList=element.children/>
                        </#if>
                </#foreach>
        </#if>
</#macro>

Any reasons for the Error :-?
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