Storage form of product ID not yet defined in Customizing
following path in the SAP reference IMG: SAP Customizing Implementation Guide -->
Cross-Application Components --> SAP Product --> Global Settings --> Define output display and form of storage of the product ID.
SAP Product->
Basic Settings->Define Output Format and Storage Format of Product IDs
2.
OMSL,在POSDM基础设置->
定义标准值,设定物料代码编码规则。