Mastering SAP Infotype 1000 Updates: A Step-by-Step ABAP Guide

Read the infotype 1000 data

DATA:
lt_p1000 TYPE TABLE OF p1000,
lv_p1000 LIKE LINE OF lt_p1000,
lv_object TYPE hrobject.

CALL FUNCTION 'RH_READ_INFTY_1000'
EXPORTING
plvar = lv_object-plvar
otype = lv_object-otype
objid = lv_object-objid
begda = sy-datum
endda = sy-datum
TABLES
i1000 = lt_p1000

Modify the name in infotype

lv_p1000-stext = lv_stext_new. 
MODIFY lt_p1000 FROM lv_p1000.

Update the infotype in buffer

CALL FUNCTION 'RH_UPDATE_INFTY'
EXPORTING
vtask = 'B' "Buffer
commit_flg = ' '
authy = 'X'
workf_actv = ' '
TABLES
innnn = lt_p1000.

After all changes are made, write update to the DB

CALL FUNCTION 'RH_UPDATE_DATABASE'
EXPORTING
vtask = 'S'
workf_actv = ' '.

How to correct endda rhgrenz4

SUBMIT rhgrenz4 AND RETURN   "VIA SELECTION-SCREEN
  WITH pchplvar EQ '01'
  WITH pchotype EQ 'C'
  WITH pchobjid EQ lo_limit_notuse->cwa_notuse-objid
  WITH pchistat EQ '1'
  WITH pchobeg  EQ defaultbegda
  WITH pchoend  EQ defaultendda
  WITH pchbegda EQ defaultbegda
  WITH pchendda EQ defaultendda
  WITH g_dat    EQ sel_endda
  WITH new_end  EQ dsl_endda
  WITH test     EQ 'X'
  WITH anzeige  EQ 'X'.

We have brand-new report rhgrenz4