My Zimbra error reports folder frequently fills up with thousands of messages as shown below. Anybody else getting the same?

Also, when are they going to release a new version of desktop? It seems to have been this version for ages.

Product name: Zimbra Desktop
Product version: 1.0.2
Build ID: 1652
Release type: R
OS Platform: Windows Vista x86 6.0
Time of event: 2009-08-30 20:27:53
Error type: Unknown attribute: custom1
Item ID: 7
Error summary: Yahoo address book synchronization failed

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Affected data - PLEASE REMOVE ANY SENSITIVE INFORMATION (size=0):
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Failure details - PLEASE REMOVE ANY SENSITIVE INFORMATION
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java.lang.IllegalArgumentException: Unknown attribute: custom1
at com.zimbra.cs.offline.ab.yab.ContactData.getAttrib ute(ContactData.java:439)
at com.zimbra.cs.offline.ab.yab.ContactData.getSimple (ContactData.java:178)
at com.zimbra.cs.offline.ab.yab.ContactData.<init>(Co ntactData.java:87)
at com.zimbra.cs.offline.ab.yab.SyncSession.getContac tEvent(SyncSession.java:197)
at com.zimbra.cs.offline.ab.yab.SyncSession.getSyncRe quest(SyncSession.java:180)
at com.zimbra.cs.offline.ab.yab.SyncSession.sync(Sync Session.java:97)
at com.zimbra.cs.offline.ab.yab.YabImport.importData( YabImport.java:70)
at com.zimbra.cs.offline.OfflineImport.importData(Off lineImport.java:88)
at com.zimbra.cs.offline.YMailImport.importData(YMail Import.java:59)
at com.zimbra.cs.datasource.DataSourceManager.importD ata(DataSourceManager.java:157)
at com.zimbra.cs.mailbox.LocalMailbox.importData(Loca lMailbox.java:417)
at com.zimbra.cs.mailbox.LocalMailbox.syncAllLocalDat aSources(LocalMailbox.java:389)
at com.zimbra.cs.mailbox.LocalMailbox.sync(LocalMailb ox.java:431)
at com.zimbra.cs.mailbox.LocalMailbox.syncOnTimer(Loc alMailbox.java:361)
at com.zimbra.cs.mailbox.DesktopMailbox$1.run(Desktop Mailbox.java:437)
at java.util.TimerThread.mainLoop(Unknown Source)
at java.util.TimerThread.run(Unknown Source)

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