Receiving &<Unsupported Data Type&> From Subquery

I have a table that records sales leads and I need to calculate the total number of leads per user and the total amount owed, then then show only the users who have recieved 3 leads. The UserID is an integer.

Here is what i have:

SELECT * FROM
(
SELECT DISTINCT UserID,
(SELECT COUNT(*)
FROM LeadMatches
WHERE (UserID = L.UserID)) AS TotalLeads,
(SELECT SUM(Price)
FROM LeadMatches
WHERE (UserID = L.UserID)) AS TotalAmount
FROM LeadMatches AS L
)
WHERE TotalLeads = 3

This should work but it produced the following result:

UserID | TotalLeads | TotalAmount
---------------------------------------------------------------
<Unsupported Data Type> | 3 | 75.00
<Unsupported Data Type> | 2 | 50.00

I have no idea why the result produceing <Unsupported Data Type> for the UserID and have been unable to find a way around as of yet. Any help would be appreciated.