I get a error when i open the criteria of a Alert subscription

Hi All,

I get this strange error when i open the criteria of a Alert subscription.

Below is the screen shot of the error and the contents of the alert.

Can any one help.

Note:  The following information was gathered when the operation was attempted.  The information may appear cryptic but provides context for the error.  The application will continue to run.

Id='' -- Guid should contain 32 digits with 4 dashes (xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx).Id='' -- Guid should contain 32 digits with 4 dashes (xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx).
Microsoft.EnterpriseManagement.Common.DataAccessLayerException: Id='' -- Guid should contain 32 digits with 4 dashes (xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx).
   at Microsoft.EnterpriseManagement.Mom.DataAccess.ParameterizedCriteriaBuilder.AddParameter(SqlCommand sqlCommand, String parameterName, ColumnDefinition columnDefinition, Object parameterValue, Boolean stronglyTypeParameter)
   at Microsoft.EnterpriseManagement.Mom.DataAccess.ParameterizedCriteriaBuilder.ParsePredicateNextOperand(XmlReader criteriaReader, String parameterBaseName, SqlCommand sqlCommand, QueryDefinition queryDefinition, ColumnDefinition columnDefinition, Boolean stronglyTypeParameter)
   at Microsoft.EnterpriseManagement.Mom.DataAccess.ParameterizedCriteriaBuilder.NextPredicateWithPropertyOperatorAndOperand(StringBuilder criteriaStringBuilder, SqlCommand sqlCommand, QueryDefinition queryDefinition, ColumnDefinition columnDefinition, String propertyName, XmlReader criteriaReader)
   at Microsoft.EnterpriseManagement.Mom.DataAccess.ParameterizedCriteriaBuilder.ParsePredicateWithProperty(SqlCommand sqlCommand, QueryDefinition queryDefinition, Nullable`1 typeContextId, XmlReader criteriaReader)
   at Microsoft.EnterpriseManagement.Mom.DataAccess.ParameterizedCriteriaBuilder.ParsePredicate(SqlCommand sqlCommand, QueryDefinition queryDefinition, Nullable`1 typeContextId, XmlReader criteriaReader)
   at Microsoft.EnterpriseManagement.Mom.DataAccess.ParameterizedCriteriaBuilder.ParseCriteria(SqlCommand sqlCommand, QueryDefinition queryDefinition, Nullable`1 managedTypeIdContext, XmlReader criteriaReader)
   at Microsoft.EnterpriseManagement.Mom.DataAccess.ParameterizedCriteriaBuilder.ParsePredicateGroup(SqlCommand sqlCommand, QueryDefinition queryDefinition, Nullable`1 managedTypeIdContext, XmlReader criteriaReader)
   at Microsoft.EnterpriseManagement.Mom.DataAccess.ParameterizedCriteriaBuilder.ParseCriteria(SqlCommand sqlCommand, QueryDefinition queryDefinition, Nullable`1 managedTypeIdContext, XmlReader criteriaReader)
   at Microsoft.EnterpriseManagement.Mom.DataAccess.ParameterizedCriteriaBuilder.CreateCriteriaTextAndParameters(SqlCommand sqlCommand, QueryDefinition queryDefinition, XmlReader criteriaReader, XmlNamespaceManager xmlNamespaceManager)
   at Microsoft.EnterpriseManagement.Mom.DataAccess.SqlCommandBuilder.CreateCriteria(SqlCommand sqlCommand, QueryDefinition queryDefinition, String criteriaXml, Dictionary`2 parameterValues)
   at Microsoft.EnterpriseManagement.Mom.DataAccess.QueryRequest.CreateSqlCommandForSelectType()
   at Microsoft.EnterpriseManagement.Mom.DataAccess.QueryRequest.Execute(SqlNotificationRequest sqlNotificationRequest)
   at Microsoft.EnterpriseManagement.Mom.ServiceDataLayer.DataAccess.ExecuteQuery(String queryDefinitionName, String criteriaXml, Pair`2[] parametersAndValues, String inClauseColumnName, ICollection`1 inClauseElements)

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Gautam.75801