Missing Field PartOpr.WCCode

Does anyone know what happened to the PartOpr.WCCode field when moving from Vantage to E10?

Thanks in advance

Replying to self to put this in the record:

Mapped to PartOpDtl. ResourceGrpID
Join to PartOpDtl on PartOpr. Company, PartNum, RevisionNum, AltMethod, OprSeq