Hi,
Check your super->do_prepare_output
prepare_empty_line will add new entry in your table view.
DATA: lo_ctx_node TYPE REF TO cl_wcf_bsp_base_tv_cn.
lo_ctx_node ?= if_wcf_bsp_view_context~get_main_context_node( ).
prepare_frontend_template( ).
prepare_empty_line( ).
* build all dummy tables
lo_ctx_node->build_table( ).
Regards,
Sumeet