Solution : https://service.sap.com/sap/support/notes/102469 (SAP Service marketplace login required)
Key words : 
additional key words mew0bor methods purchaseorder, bapi bapi_po_create uncontrolled terminations, account assignment check, advance correction refer, create purchase requisitions, bapi bapi_requisition_create, purchase orders, releases prior, program error, createfromdata requisition
Related Notes : 
       
| 503196 | Enterprise Buyer 3.5 Installation: Composite Note | 
| 409263 | Enterprise Buyer 3.0 Installation: Composite Note | 
| 360142 | Enterprise Buyer 2.0 Installation: Composite Note | 
| 303515 | SAP Bus.-to-Bus. 2.0B Installation: Composite Note | 
| 185164 | SAP Bus.-to-Bus. 2.0A Installation: Composite Note |