urgent , abap select statement error VBPA ...

hi gurus,

please tell me what is the wrong in the following select statment:

it returns 4 dispite that the data is there in the table VBPA

like this :

VBPA

****************************************

Cl. : 200

Document : 0010002449

Item :

Funct : PE

Pers.No. : 100820

*********************************************

SELECT SINGLE

pernr

INTO w_pernr

FROM vbpa

WHERE VBELN EQ '0010002449'

and kunnr EQ 'PE'.