Having problem in code

Question

Hi,
I am making a report in which i have to display the vendor payment for open items and i am facing the problem that when it moves to the 3rd table BSIK table the documenttype (BLART) get changes. i dont why why it is happening?
plzz help me out it iz really urgent to me as help will be definately rewarded.
here's d code:-
DATA: BEGIN OF ITBSIK OCCURS 0,
      MBLNR LIKE MKPF-MBLNR,
      XBLNR LIKE MKPF-XBLNR,
     BLART LIKE MKPF-BLART,
      BELNR LIKE BKPF-BELNR,
      BUDAT LIKE BKPF-BUDAT,
      BLART LIKE BSIK-BLART,
      AUGBL LIKE BSIK-AUGBL,
      AUGDT LIKE BSIK-AUGDT,
      LIFNR LIKE BSIK-LIFNR,
      WRBTR LIKE BSIK-WRBTR,
      END OF ITBSIK.
*A~BLART
      SELECT AMBLNR AXBLNR  BBELNR BBUDAT CBLART CAUGBL CAUGDT CLIFNR C~WRBTR FROM MKPF AS A
      INNER JOIN BKPF AS B ON BXBLNR = AXBLNR AND BBLART = ABLART
      INNER JOIN BSIK AS C ON CXBLNR = BXBLNR "AND CBLART = BBLART
      INTO TABLE ITBSIK WHERE A~XBLNR > 0.
      SORT ITBSIK BY BELNR.
      LOOP AT ITBSIK.
WRITE: /ITBSIK-MBLNR,ITBSIK-BELNR,ITBSIK-BUDAT,ITBSIK-BLART,ITBSIK-XBLNR,ITBSIK-AUGBL,ITBSIK-AUGDT,ITBSIK-LIFNR,ITBSIK-WRBTR.
      ENDLOOP.

Answer 1

check this code
DATA: BEGIN OF ITBSIK OCCURS 0,
MBLNR LIKE MKPF-MBLNR,
XBLNR LIKE MKPF-XBLNR,
BLART LIKE MKPF-BLART,
BELNR LIKE BKPF-BELNR,
BUDAT LIKE BKPF-BUDAT,
BLART LIKE BSIK-BLART,
AUGBL LIKE BSIK-AUGBL,
AUGDT LIKE BSIK-AUGDT,
LIFNR LIKE BSIK-LIFNR,
WRBTR LIKE BSIK-WRBTR,
END OF ITBSIK.
*A~BLART
SELECT AMBLNR AXBLNR BBELNR BBUDAT CBLART CAUGBL CAUGDT CLIFNR C~WRBTR  INTO TABLE ITBSIK FROM ( ( MKPF AS A
INNER JOIN BKPF AS B ON BXBLNR = AXBLNR AND BBLART = ABLART )
INNER JOIN BSIK AS C ON CXBLNR = BXBLNR "AND CBLART = BBLART )
AND WHERE A~XBLNR > 0.
SORT ITBSIK BY BELNR.
LOOP AT ITBSIK.
WRITE: /ITBSIK-MBLNR,ITBSIK-BELNR,ITBSIK-BUDAT,ITBSIK-BLART,ITBSIK-XBLNR,ITBSIK-AUGBL,ITBSIK-AUGDT,ITBSIK-LIFNR,ITBSIK-WRBTR.
ENDLOOP.
REWARD IF IT IS HELPFULL