Command contains unrecognized phrase/keyword in visual fox pro9

I am trying to join a 5 tables, using left outer join from ms sql server server using visual fox pro 9. but I am getting this error "Command contains unrecognized phrase/keyword."

Here is my code.

SQLEXEC(lnConn4,"SELECT [TIARA$Sales Invoice Header].No_,;
        [TIARA$Sales Invoice Header].[Sell-to Customer No_],;
        [TIARA$Sales Invoice Header].[Bill-to Name],;
        [TIARA$Sales Invoice Header].[Bill-to Address],;
        [TIARA$Sales Invoice Header].[Posting Date],;
        [TIARA$Sales Invoice Header].[VAT Registration No_],;
        [TIARA$Sales Invoice Header].[External Document No_],;
        [TIARA$Sales Invoice Header].[Shortcut Dimension 1 Code],;
        [TIARA$Sales Invoice Header].[Bill-to City],;
        [TIARA$Sales Invoice Line].No_,;
        [TIARA$Sales Invoice Line].Description,;
        [TIARA$Sales Invoice Line].[Unit of Measure],;
        [TIARA$Sales Invoice Line].Quantity,;
        [TIARA$Sales Invoice Line].[Unit Price],;
        [TIARA$Sales Invoice Line].[VAT %],;
        [TIARA$Sales Invoice Line].[Line Discount %],;
        [TIARA$Sales Invoice Line].[Amount Including VAT],;
        [TIARA$Sales Invoice Line].[Invoice Price],;
        [TIARA$Sales Invoice Line].Amount,;
        TIARA$Item.[Manufacturer Code],;
        TIARA$Customer.[Territory Code],;
        [TIARA$Sales Shipment Header].Note,;
        [TIARA$Sales Shipment Header].[Order No_],;
        [TIARA$Sales Shipment Header].No_;
    FROM    [TIARA$Sales Invoice Header];
    LEFT OUTER JOIN [TIARA$Sales Invoice Line];
    ON   [TIARA$Sales Invoice Header].No_ = [TIARA$Sales Invoice Line].[Document No_];
    LEFT OUTER JOIN TIARA$Item;
    ON  [TIARA$Sales Invoice Line].No_ = TIARA$Item.No_;
    LEFT OUTER JOIN TIARA$Customer;
    ON  [TIARA$Sales Invoice Line].[Sell-to Customer No_] = TIARA$Customer.No_;
    LEFT OUTER JOIN [TIARA$Sales Shipment Header];
    ON  [TIARA$Sales Invoice Header].[Order No_]     = [TIARA$Sales Shipment Header].[Order No_];
    WHERE   [TIARA$Sales Invoice Header].No_ = THISFORM.TEXT1.TEXT;
    ORDER BY [TIARA$Sales Invoice Header].[Posting Date] DESC;
    INTO TABLE  c:\tiarasys\temp\invoice")

SQLEXEC(lnConn4,"Select [Posting Date],;
        [Bill-to Name],;
        [VAT Registration No_],;
        [Bill-to City],;
        No_,;
        [Order No_],;
        [Bill-to Address],;
        [Shortcut Dimension 1 Code];
         from [TIARA$Sales Invoice Header];
         where No_ = ?inv;
         order by [Posting Date] desc")
         
        
        COPY TO C:\Tiarasys\Temp\invoice_header
        SELECT 1
        USE C:\Tiarasys\Temp\invoice_header EXCLUSIVE ALIAS invoice_header
        orno = Order_no_
        
SQLEXEC(lnConn4, "Select [Unit of Measure],;
        Quantity,;
        No_,;
        [Document No_],;
        [Unit Price],;
        [Sell-to Customer No_],;
        Amount,;
        [Amount Including VAT] from [TIARA$Sales Invoice Line];
        where [Document No_] = ?inv") 
        
        COPY TO C:\Tiarasys\Temp\invoice_line
        SELECT 2
        USE C:\Tiarasys\Temp\invoice_line SHARED ALIAS invoice_line
        sellno = Sell_to_cu
        num = No_
        
SQLEXEC(lnConn4, "Select No_,;
        [Manufacturer Code] from TIARA$Item;
        where No_ = ?num") 
        
        COPY TO C:\Tiarasys\Temp\items
        SELECT 3
        USE C:\Tiarasys\Temp\items EXCLUSIVE ALIAS items
        
SQLEXEC(lnConn4, "Select No_,;
        [Territory Code] from TIARA$Customer;
        where No_ = ?sellno") 
        
        COPY TO C:\Tiarasys\Temp\customer
        SELECT 4
        USE C:\Tiarasys\Temp\customer EXCLUSIVE ALIAS customer
        
SQLEXEC(lnConn4, "Select No_,;
        [Order No_],;
        Note,;
        [Sell-to Customer No_] from [TIARA$Sales Shipment Header];
        where[Order No_] = ?orno")
        
        COPY TO C:\Tiarasys\Temp\shipment_header
        SELECT 5
        USE C:\Tiarasys\Temp\shipment_header EXCLUSIVE ALIAS shipment_header