Error while executing SQL query -' Must Specify Table to select from'

Hi all,

While executing query using query generator

it shows error message

[Microsoft][SQL Native Client][SQL Server]Must specify table to select from.

2). [Microsoft][SQL Nativ

SELECT T1.ItemCode, T1.Dscription AS 'Item Description', T1.Quantity, T1.Price, T1.LineTotal,
(Select SUM(T2.TaxSum) From PCH4 T2 Where T0.DocEntry=T2.DocEntry AND T2.staType=-90 AND T1.LineNum=T2.LineNum) as 'BEDAmt',
(Select SUM(T2.TaxSum) From PCH4 T2 Where T0.DocEntry=T2.DocEntry AND T2.staType=-60 AND T1.LineNum=T2.LineNum) as 'ECSAmt',
(Select SUM(T2.TaxSum) From PCH4 T2 Where T0.DocEntry=T2.DocEntry AND T2.staType=7 AND T1.LineNum=T2.LineNum) as 'HECSAmt',
(Select SUM(T2.TaxSum) From PCH4 T2 Where T0.DocEntry=T2.DocEntry AND T2.staType=1 AND T1.LineNum=T2.LineNum) as 'VATAmt',
(Select SUM(T2.TaxSum) From PCH4 T2 Where T0.DocEntry=T2.DocEntry AND T2.staType=4 AND T1.LineNum=T2.LineNum) as 'CSTAmt'
FROM dbo.[OPCH] T0  INNER JOIN PCH1 T1 ON T0.DocEntry = T1.DocEntry INNER JOIN PCH4 T2 ON T2.DocEntry=T0.DocEntry
WHERE T0.DocDate >='[%0]' AND  T0.DocDate <='[%1]' AND T0.DocType = 'I'
GROUP BY T1.ItemCode,T1.Dscription,T1.Quantity, T1.Price, T1.LineTotal,T0.DocEntry,T1.DocEntry,T1.LineNum,T2.LineNum

It's executing fine in MS SQL Server Studio Management.

Please give y'r ideas to solve the problem.

Jeyakanthan