SAP Note 25837 - Parked document cannot be posted

Symptom:

A document parked in invoice verification cannot be posted. The message M8252 'Parked document & cannot be posted (see Extras -> Messages)' appears. If this function is called, you get the message M8107 'No messages exist'.
The invoice document has reference to a purchase order assigned to an account. The account assignment of the purchase order was changed during the preliminary entry.

Cause and prerequisites

Program error.

Solution
Corrected in Release 2.2I and 3.0B. Advance correction:

Additional key words

MR44, preliminary entry, message M8138.