Yahoo address book synchronization failed

[manvento]

Hi all,

I've noticed this error report in Zimbra (only using Windows).

It seems to be a synchronization error reading yahoo address book, so Zimbra works but I get this message almost every minute...

Product name:    Zimbra Desktop
Product version: 1.0.2
Build ID:        1652
Release type:    R
OS Platform:     Windows XP x86 5.1
Time of event:   2009-08-18 11:07:48
Error type:      Unknown attribute: firstLast
Item ID:         7
Error summary:   Yahoo address book synchronization failed

java.lang.IllegalArgumentException: Unknown attribute: firstLast
        at com.zimbra.cs.offline.ab.yab.ContactData.getAttribute(ContactData.java:439)
        at com.zimbra.cs.offline.ab.yab.ContactData.getSimple(ContactData.java:178)
        at com.zimbra.cs.offline.ab.yab.ContactData.<init>(ContactData.java:87)
        at com.zimbra.cs.offline.ab.yab.SyncSession.getContactEvent(SyncSession.java:197)
        at com.zimbra.cs.offline.ab.yab.SyncSession.getSyncRequest(SyncSession.java:180)
        at com.zimbra.cs.offline.ab.yab.SyncSession.sync(SyncSession.java:97)
        at com.zimbra.cs.offline.ab.yab.YabImport.importData(YabImport.java:70)
        at com.zimbra.cs.offline.OfflineImport.importData(OfflineImport.java:88)
        at com.zimbra.cs.offline.YMailImport.importData(YMailImport.java:59)
        at com.zimbra.cs.datasource.DataSourceManager.importData(DataSourceManager.java:157)
        at com.zimbra.cs.mailbox.LocalMailbox.importData(LocalMailbox.java:417)
        at com.zimbra.cs.mailbox.LocalMailbox.syncAllLocalDataSources(LocalMailbox.java:389)
        at com.zimbra.cs.mailbox.LocalMailbox.sync(LocalMailbox.java:431)
        at com.zimbra.cs.mailbox.LocalMailbox.syncOnTimer(LocalMailbox.java:361)
        at com.zimbra.cs.mailbox.DesktopMailbox$1.run(DesktopMailbox.java:437)
        at java.util.TimerThread.mainLoop(Unknown Source)
        at java.util.TimerThread.run(Unknown Source)

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What do you think I can do to solve this problem.

Thanks in advance,
Manuele.