please solve my Problem

hello friends

I am using tree component and initialy it works well but I got the exception when I am deleting a child

let me explain

-- root node

--childnode1

--childnode2

--childnode3

so on

when I am deleting child node3 and click on the root node to expand this root node then it works well but when I am deleting first node (Child Node1 ) and clicking on the root node to expand this root node then I got a Exception like

Exception Details: java.lang.NullPointerException

null

Possible Source of Error:

Class Name: net.sf.saxon.dom.NodeWrapper$ChildEnumeration

File Name: NodeWrapper.java

Method Name:

Line Number: 899

Why I am getting this Exception.

and please help me to resolve it.................

thanks in advance

Raviraj Gangrade

[867 byte] By [RAVIGANG1981] at [2007-11-26 11:49:53]