Solution : https://service.sap.com/sap/support/notes/447622 (SAP Service marketplace login required)
Key words :
'key components' 1 related_guid 2 ref_guid 3 relationid key category, 'key components' 1 related_guid 2 relationid 3 posno key category, 'key components' 1 relationid 2 posno key category, change table type crmt_doc_flow_db_wrkt access mode, change table type crmt_brelvonae_tab access mode, change table type crmt_brelvonai_tab access mode, function module crm_doc_flow_save_obremove parameter iv_save_all, create table type crmt_doc_flow_ob_wrkt, crmt_doc_flow_wrk access mode, 'sorted table' key
Related Notes :
653645 | Composite SAP Note performance |
449309 | Composite SAP Note performance SP07 |