Solution : https://service.sap.com/sap/support/notes/1391891 (SAP Service marketplace login required)
Key words :
select goto > text element > text symbols 3, reset ekpo-mlmaa field, call transaction se38, text symbols, run 'po history, database table index, obew changed successfully 4, obew table, po numbers, changing obew
Related Notes :
| 592091 | CKMSTART: Purchase order history performance, ORA 1555 |