Solution : https://service.sap.com/sap/support/notes/531182 (SAP Service marketplace login required)
Key words :
type 'a' error message, message type 'a', symptom transaction me59, time transaction me59, rollback work reason, explicit rollback work, convert purchase requisitions, purchase order update, purchase requisition statistics, purchase requisition
Related Notes :
| 627846 | AFS: Purchase order document flow for sales order incorrect |