anchor.diff:          not_supported_by_gui    = 4
           OTHERS                  = 5 ).
       IF sy-subrc <> 0.
  -      zcx_abapgit_exception=>raise( 'error from file_open_dialog' ).
  +      zcx_abapgit_exception=>raise( 'Error from "File Open" dialog' ).
       ENDIF.
       IF lv_action = cl_gui_frontend_services=>action_cancel.
  -      zcx_abapgit_exception=>raise( 'cancelled' ).
  +      zcx_abapgit_exception=>raise( 'Cancelled' ).
       ENDIF.
   
       READ TABLE lt_file_table INDEX 1 INTO ls_file_table.
  
positive.code: 
  
  
  CLASS ZCL_ABAPGIT_FRONTEND_SERVICES IMPLEMENTATION.
  
  
    METHOD zif_abapgit_frontend_services~file_download.
  
negative.code:       lv_rc         TYPE i.
  
      IF iv_extension = 'zip'.
        lv_filter = 'ZIP Files (*.zip)|*.zip|' && cl_gui_frontend_services=>filetype_all.
      ENDIF.
  
      cl_gui_frontend_services=>file_open_dialog(
  