Yahoo eMail folders not sync'g

[netmaniac]

My Yahoo email box is not being sync'd. The error report shows the following. Help!
Product name: Zimbra Desktop

Product version: 0.91

Build ID: 1338

Release type: BETA

OS Platform: Windows XP x86 5.1

Time of event: 2008-10-17 09:36:57

Error type: service.FAILURE

Error summary: Synchronization of folder '/VueScan' failed. Synchronization has been disabled for this folder
Failure details:

----------------------------------------------------------------------------
com.zimbra.common.service.ServiceException: system failure: Unable to store IMAP message data

ExceptionId:sync-timer-manfu@yahoo.com:1224250617314:f928e27e835531cb

Code:service.FAILURE

at com.zimbra.common.service.ServiceException.FAILURE(ServiceException.java:253)

at com.zimbra.cs.db.DbImapMessage.storeImapMessage(DbImapMessage.java:69)

at com.zimbra.cs.datasource.ImapFolderSync.storeImapMessage(ImapFolderSync.java:579)

at com.zimbra.cs.datasource.ImapFolderSync.appendMessages(ImapFolderSync.java:468)

at com.zimbra.cs.datasource.ImapFolderSync.appendNewMessages(ImapFolderSync.java:444)

at com.zimbra.cs.datasource.ImapFolderSync.finishSync(ImapFolderSync.java:337)

at com.zimbra.cs.datasource.ImapSync.finishSync(ImapSync.java:237)

at com.zimbra.cs.datasource.ImapSync.syncFolders(ImapSync.java:160)

at com.zimbra.cs.datasource.ImapSync.importData(ImapSync.java:120)

at com.zimbra.cs.offline.YMailImport.importData(YMailImport.java:36)

at com.zimbra.cs.datasource.DataSourceManager.importData(DataSourceManager.java:158)

at com.zimbra.cs.mailbox.LocalMailbox.importData(LocalMailbox.java:354)

at com.zimbra.cs.mailbox.LocalMailbox.syncAllLocalDataSources(LocalMailbox.java:327)

at com.zimbra.cs.mailbox.LocalMailbox.sync(LocalMailbox.java:383)

at com.zimbra.cs.mailbox.LocalMailbox.syncOnTimer(LocalMailbox.java:307)

at com.zimbra.cs.mailbox.DesktopMailbox$1.run(DesktopMailbox.java:259)

at java.util.TimerThread.mainLoop(Unknown Source)

at java.util.TimerThread.run(Unknown Source)

Caused by: java.sql.SQLException: The statement was aborted because it would have caused a duplicate key value in a unique or primary key constraint or unique index identified by 'SQL080921222240160' defined on 'IMAP_MESSAGE'.

at org.apache.derby.impl.jdbc.SQLExceptionFactory.getSQLException(Unknown Source)

at org.apache.derby.impl.jdbc.Util.generateCsSQLException(Unknown Source)

at org.apache.derby.impl.jdbc.TransactionResourceImpl.wrapInSQLException(Unknown Source)

at org.apache.derby.impl.jdbc.TransactionResourceImpl.handleException(Unknown Source)

at org.apache.derby.impl.jdbc.EmbedConnection.handleException(Unknown Source)

at org.apache.derby.impl.jdbc.ConnectionChild.handleException(Unknown Source)

at org.apache.derby.impl.jdbc.EmbedStatement.executeStatement(Unknown Source)

at org.apache.derby.impl.jdbc.EmbedPreparedStatement.executeStatement(Unknown Source)

at org.apache.derby.impl.jdbc.EmbedPreparedStatement.executeUpdate(Unknown Source)

at org.apache.commons.dbcp.DelegatingPreparedStatement.executeUpdate(DelegatingPreparedStatement.java:233)

at com.zimbra.cs.db.DbImapMessage.storeImapMessage(DbImapMessage.java:66)

... 16 more

Caused by: ERROR 23505: The statement was aborted because it would have caused a duplicate key value in a unique or primary key constraint or unique index identified by 'SQL080921222240160' defined on 'IMAP_MESSAGE'.

at org.apache.derby.iapi.error.StandardException.newException(Unknown Source)

at org.apache.derby.impl.sql.execute.IndexChanger.insertAndCheckDups(Unknown Source)

at org.apache.derby.impl.sql.execute.IndexChanger.doInsert(Unknown Source)

at org.apache.derby.impl.sql.execute.IndexChanger.insert(Unknown Source)

at org.apache.derby.impl.sql.execute.IndexSetChanger.insert(Unknown Source)

at org.apache.derby.impl.sql.execute.RowChangerImpl.insertRow(Unknown Source)

at org.apache.derby.impl.sql.execute.InsertResultSet.normalInsertCore(Unknown Source)

at org.apache.derby.impl.sql.execute.InsertResultSet.open(Unknown Source)

at org.apache.derby.impl.sql.GenericPreparedStatement.execute(Unknown Source)

... 21 more
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[lewisc@rocketmail.com]

Just starting today, I am also getting this message. I get it for folder /inbox. I am getting it every 10 - 15 minutes and it is almost exactly the same verbiage (just with my info instead).
I have to select inbox, right click and turn sync back on.
Very annoying.
LewisC