SAP Note 26248 - Posting parked documents and canceling not possible

Symptom:

When canceling an invoice, message 00347 'Field && is not an input field" sometimes appears. Sometimes no message appears at all. But in both cases the document is not canceled.
When parking an invoice, message M8 252 "Parked document & cannot be
posted (see Extras -> Messages)". When you choose Extras -> Messages,
no messages are displayed.
The parked document is not posted.
The invoice refers to a purchase order with account assignment or contains direct postings to G/L accounts. The relevant G/L account has the tax category , and not '- ', '* ' or similar.

Cause and prerequisites

Program error

Solution
Corrected in release 2.2I and 3.0B. Prior correction as follows.

Additional key words

MR08