Diagnosis
An error was found when the system tried to access the purchaseorder. The error was due to one of the following reasons:
- the purchase order has been deleted
- the order category is wrong
- the purchase order does not exist.

System Response
The system terminates the PO selection process.

Procedure
In all of the above cases, you should inform your systemsadministrator. The error may be due to wrong or incomplete matchcodes(M_MEKKD). In this case, the matchcodes should be restructured.