Solution : https://service.sap.com/sap/support/notes/63847 (SAP Service marketplace login required)
Key words :
additional key words mrhr mrhg, indicator 'goods receipt unvaluated indicator', indicator 'goods receipt indicator', indicator 'account assignment changable, indicator 'account assignment changeable, assigned purchase order item, purchase order item, purchase order history, account assignment category, prerequisites program error
Related Notes :
82365 | MR44: 'Account assignment changeable' indicator |