Solution : https://service.sap.com/sap/support/notes/385416 (SAP Service marketplace login required)
Key words :
choose function key 'change', change function module 'me_read_history_index', enter function module 'me_read_history_index', change structure 'ekbek', enter structure 'ekbek', input field 'structure', ekpo reference field, avoid performance problems, wamng reference table, i_difonl reference type
Related Notes :
| 331157 | ME32L:Long runtime when changng delivery schedule lines |
| 205005 | Performance composite note: Purchase order |