Solution : https://service.sap.com/sap/support/notes/361593 (SAP Service marketplace login required)
Key words :
system issues error message mq519, additional key words rfewuc1f, emu local currency changeover, open item account items, open subledger items, origin type 'ns', hkont = <account number, open items, execute rfewuc1f, euro changeover
Related Notes :
| 366892 | List of postings according to KOART |
| 159927 | RFEWUC1O:MQ519 due to change G/L acct -> reconcl.acct |