在配置项目时想实现无论谁在收到事务后如果规定时间内不处理，就要邮件通知的功能。可是无论怎么设置，始终没有收到通知邮件。查看系统事件时，发现有以下错误提示，请问如何解决？
Timer Execute exception!ex:列名 'CreateTime' 无效。 TimerData=<?xml version="1.0" encoding="utf-16"?> <ProblemTimerConfig xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xsd="http://www.w3.org/2001/XMLSchema"> <SettingID>2</SettingID> <EventType>ProblemProcessed</EventType> <AutoRepeatTimer>true</AutoRepeatTimer> <CheckType>ProblemNotProcessed</CheckType> <CheckValue1>1</CheckValue1> <CheckValue2>140</CheckValue2> <ActionType>SendNotify</ActionType> <NotifyActionParams> <NotifyUsers>1</NotifyUsers> <NotifyAssignee>true</NotifyAssignee> <NotifyRelatedUsers>false</NotifyRelatedUsers> <NotifySubscribeUsers>false</NotifySubscribeUsers> <ExtraNotifyMails /> </NotifyActionParams> <ChangeAssigneeActionParams> <ChangeProblemState>false</ChangeProblemState> <NewProblemState>0</NewProblemState> <NewAssignee>0</NewAssignee> <NotifyUsers /> <ExtraNotifyMails /> </ChangeAssigneeActionParams> </ProblemTimerConfig>
软件版本： 3.2.0.511 操作系统：xp
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