Message type: E = Error
Message class:  KZ - Cost Object Repetitive Mfg / Process Mfg 
Message number: 702
Message text: Product group & cannot be deleted
<DS:GLOS.CO_product_group>CO product group</> &v1& cannot be deleted
for one of the following reasons:
It is located above other product groups in a hierarhcy
Single objects are assigned to it
It is flagged for deletion
The system issues an error message and will not allow you to continue with this transaction until the error is resolved.
If the product group is located above other product groups in a
hierarchy, you must first remove these links. To do this, enter a
different product group in the corresponding master records.
If single objects are assigned to the product group, you must first
delete these assignments in the master record maintenance of the
product group.
If the deletion flag is turned on for the product group, turn it back
off.
Error message extract from SAP system. Copyright SAP SE.
The SAP error message KZ702, which states that "Product group & cannot be deleted," typically occurs when you attempt to delete a product group that is still in use or has dependencies in the system. Here are the common causes, potential solutions, and related information for this error: Causes: Dependencies: The product group is linked to various master data or transactions, such as sales orders, purchase orders, or inventory records. Active Assignments: The product group may be assigned to materials, sales documents, or other entities that prevent its deletion. Configuration Settings: Certain configuration settings in the system may restrict the deletion of product groups that are still active or in use. Solutions: Check Dependencies: Use transaction codes like SE16 or SE11 to check the database tables related to product groups (e.g., MARA, MVKE, etc.) to see if there are any active links to the product group you are trying to delete. Look for any sales orders, purchase orders,
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