Ошибка "Divide BY zero error encountered"

SELECT
 
    (SELECT (tbl_OfferingInOpportunity1.TotalAmount / tbl_OfferingInOpportunity1.Quantity) AS [Price]
    FROM    [dbo].[tbl_OfferingInOpportunity] AS [tbl_OfferingInOpportunity1]
    WHERE([tbl_Opportunity].[ID] = [tbl_OfferingInOpportunity1].[OpportunityID] AND
        [tbl_OfferingInOpportunity1].[ModifiedOn] = 
        (SELECT
            top 1 ([tbl_OfferingInOpportunity2].[ModifiedOn]) AS [ModifiedOn]
        FROM
            [dbo].[tbl_OfferingInOpportunity] AS [tbl_OfferingInOpportunity2]
        WHERE([tbl_OfferingInOpportunity1].[OpportunityID] = [tbl_OfferingInOpportunity2].[OpportunityID])))) AS [Price]
FROM
    [dbo].[tbl_Opportunity] AS [tbl_Opportunity]
LEFT OUTER JOIN
    [dbo].[tbl_Contact] AS [Contact] ON [Contact].[ID] = [tbl_Opportunity].[ContactID]
    WHERE (SELECT COUNT(*) FROM tbl_OfferingInOpportunity WHERE tbl_OfferingInOpportunity.OpportunityID=tbl_Opportunity.ID)>0

Divide BY zero error encountered.

tbl_OfferingInOpportunity1.TotalAmount / NULLIF(tbl_OfferingInOpportunity1.Quantity,0)