Infotype-21 Subtype child - Child Number generation

Infotype-21 Subtype child - Child Number generation
                          - Changed by persons' details

Please make the following changes for Changed by Person' details
Steps:.
  1. Go to Transaction SE51.
  2. Enter Program Name:  MPV21300
           Screen Number: 2114
  3. Click FullScreen Editor Radio Button under Sub-Objects.
  4. Click Change Push Button.
  5. Place the cursor on first field after "Chngd" and click on
     Attributes push button on menu bar or select the menu option
     Attributes under Edit menu option.
  6. Change the field name from P0001-AEDTM to P0021-AEDTM.
  Note : Some warning windows will be displayed, please click OK on
         them.
  7. Place the cursor on second field after "Chngd" and click on
     Attributes push button on menu bar or select the menu option
     Attributes under Edit menu option.
  8. Change the field name from P0001-UNAME to P0021-UNAME.
     Note : Some warning windows will be displayed, please click OK on
            them.
  9. Save and generate the screen 2114.
10. Repeat the same process from steps 1 to 9 for Program MPV21300 and
     Screen Number 2414.