Solution : https://service.sap.com/sap/support/notes/205597 (SAP Service marketplace login required)
Summary :
When creating a purchase order from a subcontracting purchase requisition initially set with an unspecified account assignment (type 'U'), updating the account assignment triggers error ME453. This error, indicating that changes to the consumption or special stock indicator are not allowed in subcontracting scenarios, stems from a program flaw. SAP provides an advance correction to resolve this issue, applicable for transactions ME21 and ME22, which are typically used for manipulating purchase orders.
Key words :
system generates error message me453 'changing consump, account assignment type 'u' unknown, additional key words me21, unknown account assignment, account assignment type, subcontracting purchase requisition, program error, purchase requisition, purchase order, stock indicator
Related Notes :
| 496082 | FAQ: Account assignment in purchasing |