I am trying to modify the records in the internal table. It is not happening.
data: it_pb4000 type standard table of pb4000 with header line.
select * from pb4000 up to 1 rows into table it_pb4000
where pernr = g_app ORDER BY begda DESCENDING.
if sy-subrc = 0.
read table it_pb4000 index 1.
******the value is cleared...
modify it_pb4000 transporting endda where
endda = '99991231'.
modify pb4000 from it_pb4000.
can anyone tell me where I am doing wrong?