when I try to block a contact I get this exception:

May 20, 2011 1:58:54 PM net.sf.jml.protocol.soap.ContactList sendRequest
SEVERE: something wrong!
java.lang.Exception
    at net.sf.jml.protocol.soap.ContactList.sendRequest(ContactList.java:1343)
    at net.sf.jml.protocol.soap.ContactList.sendRequest(ContactList.java:1267)
    at net.sf.jml.protocol.soap.ContactList.unblockFriend(ContactList.java:816)
    at net.sf.jml.impl.SimpleMessenger.unblockFriend(SimpleMessenger.java:339)
    at org.schimpf.arb.bot.listeners.contactlist.BlockUnblockFiendsListener.lockUnlockContact(BlockUnblockFiendsListener.java:87)
    at org.schimpf.arb.bot.listeners.contactlist.BlockUnblockFiendsListener.contactStatusChanged(BlockUnblockFiendsListener.java:49)
    at net.sf.jml.impl.AbstractMessenger.fireContactStatusChanged(AbstractMessenger.java:548)
    at net.sf.jml.protocol.incoming.IncomingNLN.messageReceived(IncomingNLN.java:141)
    at net.sf.jml.protocol.MsnSession$1.messageReceived(MsnSession.java:107)
    at net.sf.jml.net.Session.fireMessageReceived(Session.java:301)
    at net.sf.jml.net.Session.access$0(Session.java:297)
    at net.sf.jml.net.Session$MsgDispatcher.run(Session.java:283)
    at java.lang.Thread.run(Thread.java:662)
May 20, 2011 1:58:54 PM net.sf.jml.protocol.soap.ContactList sendRequest
INFO: Error xml:<?xml version="1.0" encoding="utf-8"?><soap:Envelope xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema"><soap:Body><soap:Fault><faultcode>soap:Client</faultcode><faultstring>Server did not recognize the value of HTTP Header SOAPAction: http://www.msn.com/webservices/AddressBook/AddMember.</faultstring><detail /></soap:Fault></soap:Body></soap:Envelope>]

walking through the code reaches to the unblockFriend() method, and the method is disabled:

public void unblockFriend(final Email email) {
        // disable it for now
        // complaining about wrong SoapAction
        if (true)
            return;
        final StringBuilder mess = new StringBuilder();

there is any idea to fix this?