Message type: E = Error
Message class:  KZ - Cost Object Repetitive Mfg / Process Mfg 
Message number: 652
Message text: Deleting the assignment can result in inconsistencies (see long text)
If you delete the assignment, this will break the link between the
<DS:GLOS.product_cost_collector>product cost collectors</>,
<DS:GLOS.production_order>production orders</>, or
<DS:GLOS.process_orders>process orders</> for the
<DS:GLOS.cost_object_hierarchy>cost object hierarchy</>.
It will also delete the link between the costs collected at the level
of the hierarchy and the costs collected on the orders or product cost
collectors for manufacture of this product.
If the link between the single object and the cost object hierarchy for
the selected assignment is deleted, it cannot be restored even by
renewed assignment.
The assignment cannot be deleted.
First reorganize the associated single objects and then delete the
assignment.
Error message extract from SAP system. Copyright SAP SE.
The SAP error message KZ652 indicates that there is an attempt to delete an assignment in the system that could lead to inconsistencies in the data. This typically occurs in the context of cost center accounting, internal orders, or other financial assignments where the integrity of the data is crucial.
Cause: The error arises when: Dependencies Exist: There are existing dependencies or relationships between the assignment you are trying to delete and other objects in the system. For example, if a cost center is assigned to a project or an internal order, deleting it could disrupt the financial reporting or tracking. Open Transactions: There may be open transactions or postings that reference the assignment you are trying to delete.
Configuration Issues: There might be configuration settings that prevent the deletion of certain assignments due to business rules or data integrity constraints.
Solution: To resolve this error, consider the following steps: Check Dependencies: Review the dependencies of the assignment
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