以编程方式将表行添加到 TR?

我在以编程方式向传输请求添加表行时遇到问题.

I have a problem with adding rows of table to the transport request in programming way.

当我写下传输请求编号时，出现错误:

When i wrote down the transport request number i get the error:

您不能使用请求 EAMK913244

You cannot use request EAMK913244

我使用的代码是

  data lt_variable_changed type table of ztable_task2.
  data: l_request   type trkorr,
        lt_e071     type tr_objects,
        lt_e071k    type tr_keys,
        lv_tabkey   type trobj_name,
        ls_e071     type e071,
        ls_e071k    type e071k.

      ls_e071-pgmid    = 'R3TR'.
      ls_e071-object   = 'TABU'.                            "for table
      ls_e071-obj_name = 'ZTABLE_TASK2'.
      ls_e071-objfunc  = 'K'.
      append ls_e071 to lt_e071.

      loop at lt_variable_changed into ls_variable.
        lv_tabkey = ls_variable-num.
        ls_e071k-pgmid      = 'R3TR'.
        ls_e071k-object     = 'TABU'.
        ls_e071k-objname    = 'ZTABLE_TASK2'.
        ls_e071k-mastertype = 'TABU'.
        ls_e071k-mastername = 'ZTABLE_TASK2'.
        ls_e071k-tabkey     = lv_tabkey.
        append ls_e071k to lt_e071k.
      endloop.

      call function 'TR_REQUEST_CHOICE'
        exporting
          iv_suppress_dialog   = 'X'
          iv_request           = var_query
          it_e071              = lt_e071
          it_e071k             = lt_e071k.
      message 'Ok' type 'I'.

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感谢您的帮助，祝您好运！

Thanks for help and good luck!