SAP Message WG024 - Missing unit of measure cannot be found without material number or EAN

Diagnosis
No useful unit of measure can be determined without a useful order itemidentifier.

System Response
The order item is not posted.

Procedure
Transmit a correct identifier for each order item. The following arepermitted at the moment:
PROTECT
002,,vendor's material number
003,,EAN
006,,material number
ENDPROTECT
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