How To Fix WXCM001 - Unable to construct a master data hierarchy for this combination

WXCM001 - Overview

• Message type: E = Error

• Message class: WXCM - Messages for Package CM_MAP

• Message number: 001

• Message text: Unable to construct a master data hierarchy for this combination

What causes this issue?

You have specified a hierarchy structure and, when necessary, a
selection characteristic to transfer a master data hierarchy into a
planning hierarchy.
The combinations of master data hierarchy entries are created,
depending on the hierarchy structure and selection characteristics,
using a function module. The name of the function module is defined in
a customizing table (TWISPC_FBMDHIE).
No function module is stored in this table for the combination of
hierarchy structure and selection characteristics that you specified.

System Response

The system cannot create the planning hierarchy.

How to fix this error?

Check you entries and, if necessary, maintain the assignment of the
corresponding function modules for the hierarchy structure and the
structure for the selection characteristics. You do this in transaction
CMMAP02.

Procedure for System Administrators

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.

Smart SAP Assistant

• What is the cause and solution for SAP error message WXCM001 - Unable to construct a master data hierarchy for this combination ?

  SAP Error Message:
  WXCM001 - Unable to construct a master data hierarchy for this combination
  
  
  Cause:
  This error typically occurs in SAP when the system is unable to build or find a valid master data hierarchy for a given combination of master data objects. This is common in modules like SAP Customer Management (CRM), SAP Hybris, or other SAP components that rely on hierarchical master data structures.
  The root causes can include:
  
  Missing or incomplete master data hierarchy: The system expects a hierarchy (e.g., organizational units, business partners, products) but cannot find a valid or complete hierarchy for the given combination.
  Incorrect or inconsistent master data relationships: The links or references between master data objects are broken or inconsistent.
  Configuration issues: The hierarchy definition or the rules for constructing the hierarchy are not properly configured.
  Authorization or data access issues: The user or process does not have the necessary permissions to access the required master data.
  Data replication or