Solution : https://service.sap.com/sap/support/notes/740850 (SAP Service marketplace login required)
Key words :
system issues unjustified error messages, fully parked invoice, bp 604avc_obj_curr reason, program error, error occurs, purchase order, wbs element, availability control, assigned values, updated incorrectly
Related Notes :
| 1079946 | Error in availability control in object currency |