Diagnosis
You have tried to change the quantity of an HU for which goods receipthas been posted. In many cases, this is possible. In this case,however, you have called up the quantity change from a function whichdoes not permit stock transer postings.

Procedure
In the view from which you call up the quantity change function, setthe indicator Quantity Change with Transfer Posting in order toallow quantity changes with transfer postings.
You can also carry out quantity changes with transfer postings from theHU monitor.