Solution : https://service.sap.com/sap/support/notes/1166603 (SAP Service marketplace login required)
Key words :
length field label short 10 parenttem medium 20 parent billing item long 30 parent billing item heading 30 parent billing item save, parent billing item, parent_item_guid data element bea_parent_item_guid reference field usage, 17 condition target field blank save, check radio button 'elementary type', application-> crmb-> object-> bd-> feature-> prc, field label' tab, bea_parent_item_guid short description, terms /1bea/crmb_bd_prc_o_it_mapinbefg_tmpl_bd_prc_o_it_mapin reason, prerequisites program error solution 1
Related Notes :
1361090 | HLevel Item Number is not populated for a clearing item |