Solution : https://service.sap.com/sap/support/notes/894624 (SAP Service marketplace login required)
Key words :
call method cl_wd_context_services=>get_table_from_node exporting node = lr_context_node_fieldselection importing data_table = lt_fieldselection, call method my_inputfield->set_state exporting, required fields lr_context_node_fieldselection = wd_context->get_child_node, required business area exists, lv_fieldselection type iwoae_fieldlist-fieldname, lr_context_node_fieldselection type ref, lt_fieldselection type iwoae_tt_fieldlist, required entry fields, required flag loop, my_inputfield type ref
Related Notes :
| 895332 | ERP 2005 SP Stack 2 (12/2005) Release and Information Note |
| 849573 | Maintenance technician |