Data not binding to my node

I have data in lt_aufk and binded the data to the node as below:

* Bind the data to popin
* navigate from <CONTEXT> to <AUFK> via lead selection
lo_nd_aufk = wd_context->path_get_node( path = `VBAK.AUFK` ).
lo_nd_aufk->bind_table( new_items = lt_aufk set_initial_elements = abap_true ).

Issue: Data is not being passed to my application. what could be the issue?

Thanks,

Kiran