Error in ftp file transfer

Question

Hi All,
  I am trying to populate pdf from sap server to different server. when  i am trying to open that pdf in target system , getting the error " root object is missing or invalid "  here is my code :
CALL FUNCTION 'HTTP_SCRAMBLE'
     EXPORTING
       source      = p_pwd
       sourcelen   = lv_pwd_len
       key         = lc_key
     IMPORTING
       destination = p_pwd.
* connect to FTP server
   CALL FUNCTION 'FTP_CONNECT'
     EXPORTING
       user                   = p_user
       password               = p_pwd
*   ACCOUNT                =
       host                   = p_ip
       rfc_destination        = lc_rfc_dest
*   GATEWAY_USER           =
*   GATEWAY_PASSWORD       =
*   GATEWAY_HOST           =
    IMPORTING
      handle                 = lv_handle
* EXCEPTIONS
*   NOT_CONNECTED          = 1
*   OTHERS                 = 2
   IF sy-subrc <> 0.
     l_fail = 'X'.
     WRITE : / 'FTP Connection failed'.
     EXIT.
   ENDIF.
   CALL FUNCTION 'FTP_COMMAND'
     EXPORTING
      handle                = lv_handle
       command               = 'cd /Payadvice         '"lv_cmd
       compress              = 'N'
*   RFC_DESTINATION       = lc_rfc_dest     "sapftpa
*   VERIFY                =
* IMPORTING
*   FILESIZE              =
*   FILEDATE              =
*   FILETIME              =
     TABLES
       data                  = it_output
    EXCEPTIONS
      tcpip_error           = 1
      command_error         = 2
      data_error            = 3
      OTHERS                = 4
   IF sy-subrc NE 0.
     l_fail = 'X'.
     EXIT.
   ENDIF.
   CLEAR l_fail.
CALL FUNCTION 'FTP_COMMAND'
   EXPORTING
    HANDLE                = lv_handle
     command               = 'binary'
   tables
     data                  = it_lines
  EXCEPTIONS
    TCPIP_ERROR           = 1
    COMMAND_ERROR         = 2
    DATA_ERROR            = 3
    OTHERS                = 4
IF sy-subrc <> 0.
* Implement suitable error handling here
ENDIF.
   CLEAR wa_result.
   CONCATENATE  v_name '.pdf' INTO wa_result.
   DATA: l_count TYPE i.
   CALL FUNCTION 'FTP_R3_TO_SERVER'
     EXPORTING
       handle         = lv_handle
       fname          = wa_result
*      blob_length    = l_count
       character_mode = 'X'
     TABLES
*       BLOB           =
       text           = it_lines"it_tmp
     EXCEPTIONS
       tcpip_error    = 1
       command_error  = 2
       data_error     = 3
       OTHERS         = 4.
   IF sy-subrc NE 0.
     l_fail = 'X'.
     EXIT.
     endif.
   clear insfile.
     CONCATENATE 'put' wa_result INTO insfile SEPARATED BY space.
     CALL FUNCTION 'FTP_COMMAND'
       EXPORTING
        HANDLE                = lv_handle
         command               = insfile
*       COMPRESS              = 'N'
*       RFC_DESTINATION       =
*       VERIFY                =
*     IMPORTING
*       FILESIZE              =
*       FILEDATE              =
*       FILETIME              =
       tables
         data                  = it_lines
      EXCEPTIONS
        TCPIP_ERROR           = 1
        COMMAND_ERROR         = 2
        DATA_ERROR            = 3
        OTHERS                = 4 .
   IF sy-subrc NE 0.
     l_fail = 'X'.
     EXIT.
   ELSE.
     UPDATE zwork_to_sapvenp SET flag1 = 'X' WHERE inv_act_doc = lv_name.
     IF sy-subrc = 0.
     ENDIF.
   ENDIF.
*ftp disconnect
   CALL FUNCTION 'FTP_DISCONNECT'
     EXPORTING
       handle = lv_handle.
   CALL FUNCTION 'RFC_CONNECTION_CLOSE'
    EXPORTING
      destination                = lc_rfc_dest
*   TASKNAME                   =
* EXCEPTIONS
*   DESTINATION_NOT_OPEN       = 1
*   OTHERS                     = 2
   IF sy-subrc <> 0.
* Implement suitable error handling here
   ENDIF.
here  "put" command is not working properly getting command error .  please help.

Answer 1

it_lines    TYPE STANDARD TABLE OF tline WITH HEADER LINE.
   insfile          TYPE text ,