Debug message: invalid request: contact must have fields

Exception:

com.zimbra.common.service.ServiceException: invalid request: contact must have fields
ExceptionId:mid=4:1243314519192:ef92cc53749d3751
Code:service.INVALID_REQUEST
at com.zimbra.common.service.ServiceException.INVALID _REQUEST(ServiceException.java:260)
at com.zimbra.cs.mime.ParsedContact.(ParsedContact.ja va:75)
at com.zimbra.cs.mime.ParsedContact.(ParsedContact.ja va:83)
at com.zimbra.cs.mailbox.InitialSync.syncContact(Init ialSync.java:858)
at com.zimbra.cs.mailbox.InitialSync.initialFolderSyn c(InitialSync.java:351)
at com.zimbra.cs.mailbox.InitialSync.prioritySync(Ini tialSync.java:394)
at com.zimbra.cs.mailbox.InitialSync.initialFolderSyn c(InitialSync.java:375)
at com.zimbra.cs.mailbox.InitialSync.initialFolderSyn c(InitialSync.java:384)
at com.zimbra.cs.mailbox.InitialSync.resume(InitialSy nc.java:195)
at com.zimbra.cs.mailbox.InitialSync.resume(InitialSy nc.java:179)
at com.zimbra.cs.mailbox.MailboxSync.sync(MailboxSync .java:186)
at com.zimbra.cs.mailbox.OfflineMailbox.sync(OfflineM ailbox.java:140)
at com.zimbra.cs.mailbox.OfflineMailbox.syncOnTimer(O fflineMailbox.java:121)
at com.zimbra.cs.mailbox.DesktopMailbox$1.run(Desktop Mailbox.java:436)
at java.util.TimerThread.mainLoop(Unknown Source)
at java.util.TimerThread.run(Unknown Source)