I had one domain and I configure the GAL to sync to external LDAP and I set the interval..

When I deleted the domain, the scheduled task is still running and caused error. How to delete the scheduled task?

Code:
2010-04-21 15:49:45,046 WARN  [ScheduledTask-6] [mid=41;] datasource - Scheduled DataSource import failed.
com.zimbra.cs.mailbox.MailServiceException: no such mailbox: 41
ExceptionId:ScheduledTask-6:1271836185046:c30f5e5eb51a966e
Code:mail.NO_SUCH_MBOX Arg:(mboxId, IID, "41")
	at com.zimbra.cs.mailbox.MailServiceException.NO_SUCH_MBOX(MailServiceException.java:145)
	at com.zimbra.cs.mailbox.MailboxManager.getMailboxById(MailboxManager.java:445)
	at com.zimbra.cs.mailbox.MailboxManager.getMailboxById(MailboxManager.java:380)
	at com.zimbra.cs.datasource.DataSourceTask.call(DataSourceTask.java:68)
	at com.zimbra.cs.datasource.DataSourceTask.call(DataSourceTask.java:28)
	at com.zimbra.common.util.TaskScheduler$TaskRunner.call(TaskScheduler.java:96)
	at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
	at java.util.concurrent.FutureTask.run(FutureTask.java:138)
	at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:98)
	at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:207)
	at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
	at java.lang.Thread.run(Thread.java:619)