Message type: E = Error
Message class:  KZ - Cost Object Repetitive Mfg / Process Mfg 
Message number: 709
Message text: Choose a lower-level product group
You have not chosen any of the assigned <DS:GLOS.CO_product_group>CO
product groups</>.
The function can only be executed for the lower-level CO product
groups.
Choose a CO product group that is assigned to product group &V1&, or
end the selection.
Error message extract from SAP system. Copyright SAP SE.
The SAP error message KZ709, which states "Choose a lower-level product group," typically occurs in the context of product costing or when working with product hierarchies in SAP. This error indicates that the system expects you to select a product group that is at a lower level in the hierarchy than the one currently selected.
Cause: Hierarchy Structure: The product group you have selected is at a higher level in the hierarchy, and the system requires a more specific (lower-level) product group for the operation you are trying to perform. Data Entry Error: You may have inadvertently selected a product group that is not appropriate for the transaction or report you are trying to execute.
Configuration Issues: There may be issues with how the product groups are configured in the system, leading to incorrect hierarchy levels being recognized.
Solution: Select a Lower-Level Product Group: Review the product hierarchy and select a product group that is at
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