ItemGroupRef value in UpdateItem webservice request is saved incorrectly
We are attempting to invoke ME Base Webservice (188.8.131.52) ItemServiceService.UpdateItem. Specifically we want to transfer the SAP ECC material group (E1MARAM.MATKL field) in the IDOC to the ME Item Group. Looking at the UpdateItem request structure, the most likely and logical assumption would be to use this element below that is one level below <me:Item> right after <me:EffectiveStartSequence unitCode="?">?</me:EffectiveStartSequence>. We made sure that the ItemGroup value does exist in the ME database for the same site.
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However, when the webservice executes successfully and we browse this item record in ME, we are finding that this value is being stored in the Alternates tab rather than the Material Group tab, even though we are not specifying the ItemGroupRef in the <me:ItemAlternate> element at all. Furthermore, when I browse the entry created in the Alternates tab, it is showing the Handle value of "ItemGroupBO:MYSITE,MYITEMGROUP" on the webpage rather than just the MYITEMGROUP value.
Can anybody please confirm if this is a bug and issue us a patch if it is? Thanks.