SAP Message RU195 - Automatic goods receipt for order & is not possible

Diagnosis
Order &V1& contains several operations, which have a control key whichindicates "automatic goods receipt".
However, an automatic goods receipt is only allowed once per order forthe following reason:
If the automatic goods receipt is posted more than once, this wouldlead to incorrect stock quantities.

Procedure
Check the control keys of the operations in order &V1&. Change thecontrol keys in such a way, that an automatic goods receipt occurs forone operation only.