Perguntas chamada de função SQL 2008 utilizando DBO em minúsculo

Select SUM(SC6.C6_QTDVEN) - IsNull((SELECT SUM(ZAA_.ZAA_QTDE) FROM ZAA010 ZAA_ WHERE ZAA_.ZAA_NUM = SC6.C6_NUM AND ZAA_.ZAA_ITEM = SC6.C6_ITEM AND ZAA_.D_E_L_E_T_ = ' '),0)-SC6.C6_QTDENT   AS QRY_CARTEIRA,
         SB1.B1_COD AS QRY_PRODUTO
   From  SC6010  SC6
   INNER JOIN SB1010 SB1
   ON    SB1.B1_COD = SC6.C6_PRODUTO
     AND SB1.B1_TIPO = 'PA'
     AND SB1.B1_MSBLQL  <> '1'
     AND SB1.D_E_L_E_T_    <> '*'
   INNER JOIN  SC5010 SC5
   ON    SC5.C5_TIPO    =  'N'
     AND SC5.C5_NUM     = '076264'
     AND SC5.C5_NUM     = SC6.C6_NUM 
     AND SC5.C5_EMISSAO >= '20160301'
     AND SC5.C5_EMISSAO <= '20160331'
     AND SC5.D_E_L_E_T_    <> '*'
   INNER JOIN  SF4010 SF4  
   ON    SF4.F4_CODIGO  =  SC6.C6_TES
     AND SF4.F4_TESVEN  = 'S'
     AND SF4.D_E_L_E_T_  <> '*'
     WHERE SC6.D_E_L_E_T_    <> '*'
     GROUP BY SB1.B1_COD, SC6.C6_NUM, SC6.C6_ITEM, SC6.C6_QTDENT
     ORDER BY QRY_PRODUTO

WITH CTE AS (
SELECT  SUM(ISNULL(ZAA_QTDE,0)) AS QTDE,ZAA_.ZAA_NUM,ZAA_.ZAA_ITEM,ZAA_.ZAA_COD
		FROM ZAA010 ZAA_, ZA9010 ZA9_ 
        WHERE  ZA9_.ZA9_CONSID = 'S'
                                                            AND ZAA_.ZAA_MOTIVO = ZA9_.ZA9_MOTIVO 
                                                            AND ZAA_.ZAA_MOTIVO = ZA9_.ZA9_MOTIVO
                                                            AND ZAA_.D_E_L_E_T_    <> '*'
                                                            AND ZA9_.D_E_L_E_T_    <> '*')
															GROUP BY ZAA_NUM, ZAA_ITEM, ZAA_COD
)

Select SUM(SC6.C6_QTDVEN-IsNull(( QTDE,0)-SC6.C6_QTDENT)   AS QRY_CARTEIRA,
         SB1.B1_COD                                                 AS QRY_PRODUTO
   From  SC6010 SC6
   INNER JOIN  SB1010 SB1
   ON    SB1.B1_COD = SC6.C6_PRODUTO
     AND SB1.B1_TIPO = 'PA'
     AND SB1.B1_MSBLQL  <> '1'
     AND SB1.D_E_L_E_T_    <> '*'
   INNER JOIN  SC5010 SC5 
   ON    SC5.C5_TIPO    =  'N'
     AND SC5.C5_NUM     = '076264'
     AND SC5.C5_NUM     = SC6.C6_NUM 
     AND SC5.C5_EMISSAO >= '20160301'
     AND SC5.C5_EMISSAO <= '20160331'
     AND SC5.D_E_L_E_T_    <> '*'
   INNER JOIN  SF4010 SF4
   ON    SF4.F4_CODIGO  =  SC6.C6_TES
     AND SF4.F4_TESVEN  = 'S'
     AND SF4.D_E_L_E_T_  <> '*'
	LEFT JOIN CTE ON 
	ZAA_NUM  = SC6.C6_NUM 
    AND ZAA_ITEM  = SC6.C6_ITEM 
    AND ZAA_COD  = SC6.C6_PRODUTO 
	WHERE SC6.D_E_L_E_T_    <> '*'
   GROUP BY SB1.B1_COD
   ORDER BY QRY_PRODUTO

WITH CTE AS (SELECT  SUM(ZAA_QTDE) AS RESIDUO,ZAA_.ZAA_NUM,ZAA_.ZAA_ITEM,ZAA_.ZAA_COD
		FROM ZAA010 ZAA_, ZA9010 ZA9_ 
        WHERE  ZA9_.ZA9_CONSID = 'S'
           AND ZAA_.ZAA_MOTIVO = ZA9_.ZA9_MOTIVO 
           AND ZAA_.D_E_L_E_T_    <> '*'
           AND ZA9_.D_E_L_E_T_    <> '*'
	    GROUP BY ZAA_NUM, ZAA_ITEM, ZAA_COD)

Select SUM(SC6.C6_QTDVEN-IsNull(RESIDUO,0)-SC6.C6_QTDENT)   AS QRY_CARTEIRA,
         SB1.B1_COD                                      AS QRY_PRODUTO
   From  SC6010 SC6
   INNER JOIN  SB1010 SB1
   ON    SB1.B1_COD = SC6.C6_PRODUTO
     AND SB1.B1_TIPO = 'PA'
     AND SB1.B1_MSBLQL  <> '1'
     AND SB1.D_E_L_E_T_    <> '*'
   INNER JOIN  SC5010 SC5 
   ON    SC5.C5_TIPO    =  'N'
     --AND SC5.C5_NUM     = '076264'
     AND SC5.C5_NUM     = SC6.C6_NUM 
     AND SC5.C5_EMISSAO >= '20160301'
     AND SC5.C5_EMISSAO <= '20160331'
     AND SC5.D_E_L_E_T_    <> '*'
   INNER JOIN  SF4010 SF4
   ON    SF4.F4_CODIGO  =  SC6.C6_TES
     AND SF4.F4_TESVEN  = 'S'
     AND SF4.D_E_L_E_T_  <> '*'
   LEFT JOIN CTE 
   ON   ZAA_NUM  = SC6.C6_NUM 
    AND ZAA_ITEM = SC6.C6_ITEM 
    AND ZAA_COD  = SC6.C6_PRODUTO 

WHERE SC6.D_E_L_E_T_    <> '*'
   GROUP BY SB1.B1_COD
   ORDER BY QRY_PRODUTO