The following code demonstrates how to retrieve the absence type text

*Retrieve AWART Text
  data: ld_moabw type t001p-moabw,
        ld_atext like t554t-atext.

* Loop at infortype 2001 records
  PROVIDE * FROM p2001 BETWEEN pn-begda AND pn-endda.

*   Retrieve latest infotype 0001 record (similar to select/endselect).
    rp_provide_from_last p0001 space p2001-begda p2001-endda.

*   Retrieve MOABW value
    CLEAR: ld_moabw.
    SELECT SINGLE moabw
      FROM t001p
      INTO ld_moabw
    WHERE werks EQ p0001-werks AND
          btrtl EQ p0001-btrtl.

    SELECT SINGLE atext
      FROM t554t
      INTO ld_atext
     WHERE sprsl EQ sy-langu AND
           moabw EQ ld_moabw AND
         awart EQ p2001-awart.
  ENDPROVIDE.