The following code, worked in VFP 8.0 but not VFP 8.0. What's up? An error message stated that a GROUP BY clause was either missing or invalid.

SELECT ;
V_POHeaderPI.Project_No, ;
V_POHeaderPI.Account_No, ;
V_POHeaderPI.PO_Main, ;
V_POHeaderPI.PO_Total, ;
V_POHeaderPI.PO_Status, ;
SUM(V_POCostsPI.cs_amount) AS nInvoiced ;
FROM V_POHeaderPI;
LEFT OUTER JOIN V_POCostsPI ON V_POHeaderPI.PO_Main = V_POCostsPI.PO_Main ;
WHERE ;
V_POHeaderPI.PO_Main = ThisForm.cPO_Main AND ;
PO_Status <> "U" ;
INTO TABLE tmpPOHeader