DD0072 and DD0074 for Variable with VLM

We have a variable with value level metadata (VLM) and are specifying <def:Origin> at the variable level.  However, we are getting DD0072 (Missing Origin) for each of the VLM <ItemDef> elements as well as DD0074 (Variable/Value Level Origin Type mismatch.).

Here is an example:  

<!-- Variable -->

<ItemDef OID="IT.ADAU.AVAL" Name="AVAL" DataType="float" Length="24" SignificantDigits="14" SASFieldName="AVAL" def:DisplayFormat="8.3">

  <Description>

    <TranslatedText xml:lang="en">Analysis Value</TranslatedText>

  </Description>

  <def:ValueListRef ValueListOID="VL.ADAU.AVAL" />

  <def:Origin Type="Derived" />

</ItemDef>

<!-- Value list -->

<def:ValueListDef OID="VL.ADAU.AVAL">

  <ItemRef ItemOID="IT.ADAU.AVAL.T_025_L" OrderNumber="1" Mandatory="No">

    <def:WhereClauseRef WhereClauseOID="WC.ADAU.PARAMCD.EQ.T_025_L" />

  </ItemRef>

  <ItemRef ItemOID="IT.ADAU.AVAL.T_05_L" OrderNumber="2" Mandatory="No">

    <def:WhereClauseRef WhereClauseOID="WC.ADAU.PARAMCD.EQ.T_05_L" />

  </ItemRef>

</def:ValueListDef>

<!-- VLM -->

<ItemDef OID="IT.ADAU.AVAL.T_025_L" Name="T_025_L" DataType="float" Length="24" SignificantDigits="14" def:DisplayFormat="8.2" def:CommentOID="COM.T_025_L">

  <Description>

    <TranslatedText xml:lang="en">PARAMCD = T_025_L [AC THRESHOLD 0.25 kHz (dBHL) - Left Ear]</TranslatedText>

  </Description>

</ItemDef>

<ItemDef OID="IT.ADAU.AVAL.T_05_L" Name="T_05_L" DataType="float" Length="24" SignificantDigits="14" def:DisplayFormat="8.2" def:CommentOID="COM.T_05_L">

  <Description>

    <TranslatedText xml:lang="en">PARAMCD = T_05_L [AC THRESHOLD 0.5 kHz (dBHL) - Left Ear]</TranslatedText>

  </Description>

</ItemDef>

Is this a bug or are we specifying something incorrectly?

Thanks,

Mark