Message type: E = Error
Message class: REBDCA - Messages for Master Data - General
Message number: 018
Message text: Higher-level objects of &1 are already assigned in another hierarchy
A usage object, which is superordinate to the current usage object, is
already assigned to a different architectural hierarchy. The subordinate
object, however, has to be assigned to the same architectural hierarchy
as its superordinate object.
It is not possible to assign the current usage object to the selected
architectural hierarchy.
Select an architectural object from the same hierarchy to which the
superordinate usage object is assigned.
The system issues an error message and will not allow you to continue with this transaction until the error is resolved.
Error message extract from SAP system. Copyright SAP SE.
REBDCA018
- Higher-level objects of &1 are already assigned in another hierarchy ?The SAP error message REBDCA018 indicates that there is an issue with the assignment of higher-level objects in a hierarchy. This typically occurs in the context of SAP's controlling (CO) module, particularly when dealing with cost centers, internal orders, or other hierarchical structures.
Cause: The error message REBDCA018 is triggered when you attempt to assign a higher-level object (like a cost center or internal order) to a new hierarchy, but that object is already assigned to another hierarchy. This can happen if: Duplicate Assignments: The higher-level object is already part of a different hierarchy, and SAP does not allow multiple assignments for the same object in different hierarchies. Hierarchy Structure Changes: Changes in the hierarchy structure may lead to conflicts if the same object is being reassigned. Data Integrity Issues: There may be inconsistencies in the data that prevent the assignment from being processed.
Solution: To resolve the REBDCA018 error, you can take the following steps: Check Current
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