I have this query returning the error message. Any idea?

SELECT  A.SalesOrderNo,
B.UDF_COMPLETE_PART,
B.UDF_CUST_PART,
E.ExtendedDescriptionText,
B.UDF_Serial,
A.CustomerPONo,
A.UDF_EXT_CUST_PO,
A.ARDivisionNo,
D.CustomerNo,
D.CustomerName,
A.ConfirmTo,
A.EmailAddress,
A.UDF_END_USER,
A.UDF_REG_MANAGER,
A.UDF_REP_ACCT,
A.BillToName,
A.BillToCity,
A.BillToState,
A.ShipToName,
A.ShipToCity,
A.ShipToState,
C.CountryName,
A.RMANo,
F.ReceiptDate   
FROM        
{SO_SalesOrderHistoryHeader A   
inner join SO_SalesOrderHistoryDetail B on A.SalesOrderNo = B.SalesOrderNo    
inner join AR_Customer D on A.CustomerNo = D.CustomerNo and A.ARDivisionNo = D.ARDivisionNo        
inner join SY_Country C on C.CountryCode = D.CountryCode        
inner join CI_ExtendedDescription E on B.ExtendedDescriptionKey = E.ExtendedDescriptionKey        
Left join RA_ReceiptsHistoryHeader F on A.RMANo = F.RMano}
WHERE       
A.orderstatus = ''A''')