Error in Control Framework with GUI_DOWNLOAD FM

Question

Dear All,
I am using GUI_DOWNLOAD FM to download a file in PDF format to presentation server.
The code has been written in an enhancement spot in a class "/SCA/CL_SVORDER", method "Print" on an SNC server.
On execution I get the error "Error in Control Framework".
First I tht that this has something to do with the data table. But when I tried to pass a simple table of Integers in ASC format, it gave the same error.
Please assist.
*----Begin of Code Snippet
data: fullpath type STRING value 'D:\temp\PO.pdf',
bin_filesize type I,
filetype type char10 value 'BIN'.
bin_filesize = numbytes.
CALL FUNCTION 'GUI_DOWNLOAD'
  EXPORTING
   BIN_FILESIZE                    = bin_filesize
    filename                        = fullpath
   FILETYPE                        = filetype
IMPORTING
  FILELENGTH                      =
  tables
    data_tab                        = t_data
  FIELDNAMES                      =
EXCEPTIONS
   FILE_WRITE_ERROR                = 1
   NO_BATCH                        = 2
   GUI_REFUSE_FILETRANSFER         = 3
   INVALID_TYPE                    = 4
   NO_AUTHORITY                    = 5
   UNKNOWN_ERROR                   = 6
   HEADER_NOT_ALLOWED              = 7
   SEPARATOR_NOT_ALLOWED           = 8
   FILESIZE_NOT_ALLOWED            = 9
   HEADER_TOO_LONG                 = 10
   DP_ERROR_CREATE                 = 11
   DP_ERROR_SEND                   = 12
   DP_ERROR_WRITE                  = 13
   UNKNOWN_DP_ERROR                = 14
   ACCESS_DENIED                   = 15
   DP_OUT_OF_MEMORY                = 16
   DISK_FULL                       = 17
   DP_TIMEOUT                      = 18
   FILE_NOT_FOUND                  = 19
   DATAPROVIDER_EXCEPTION          = 20
   CONTROL_FLUSH_ERROR             = 21
   OTHERS                          = 22
IF sy-subrc <> 0.
MESSAGE ID SY-MSGID TYPE SY-MSGTY NUMBER SY-MSGNO
         WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4.
ENDIF.
*----End of Code Snippet

Answer 1

Hi!
I have the same error, but i need to use CSV Format.
in another program, i used this with XML format.
  lv_xml = lr_element->to_xml( ).
Converts the string to xstring
  lv_xxml = wd_this->convert_file( lv_xml ).
Shows it in a new browser window
  *cl_wd_runtime_services=>attach_file_to_response(*
    *i_filename      = lco_filename*
    *i_content       = lv_xxml*
    *i_mime_type     = lco_mime_type*
    *i_in_new_window = abap_FALSE*
    *i_inplace       = abap_false ).*
Regards!