This function module is used to change transfer requirements

APPEND VALUE #(
  lgnum = <fs_outtab>-lgnum
  tbnum = <fs_outtab>-tbnum
  tbpos = <fs_outtab>-tbpos
  elikz = abap_true
  menga = 0
 ) TO lt_ltbc.

 CALL FUNCTION 'L_TR_CHANGE'
   tables
     T_LTBC                   = lt_ltbc
   exceptions
     ITEM_ERROR               = 1
     NO_UPDATE_ITEM_ERROR     = 2
     NO_UPDATE_NO_ENTRY       = 3
     NO_UPDATE_WITHOUT_COMMIT = 4
     TR_LOCKED                = 5
     OTHERS                   = 6
   .
 if sy-subrc <> 0.

• message id sy-msgid type sy-msgty number sy-msgno
• with sy-msgv1 sy-msgv2 sy-msgv3 sy-msgv4.
  endif.