How To Fix WW112 - Material group & is already assigned to material group hierarchy level &

WW112 - Overview

• Message type: E = Error

• Message class: WW - Material group master maintenance

• Message number: 112

• Message text: Material group & is already assigned to material group hierarchy level &

What causes this issue?

Each material group can only be assigned one material group hierarchy
level.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

If you wish to change the assignment, first delete the old assignment
and then create a new one or, alternatively, change it using
reclassification functions ("Change").

Error message extract from SAP system. Copyright SAP SE.

WW112 - Details

• The SAP error message WW112 indicates that a material group is already assigned to a specific material group hierarchy level. This typically occurs when you attempt to assign a material group to a hierarchy level that it is already associated with, or when there is an attempt to create a duplicate assignment.
  
  Cause:
  
  Duplicate Assignment: The material group you are trying to assign is already linked to the specified hierarchy level.
  Hierarchy Structure: The material group hierarchy may have been set up incorrectly, leading to conflicts in assignments.
  Data Integrity Issues: There may be inconsistencies in the data that prevent the assignment from being processed.
  
  
  Solution:
  
  
  Check Existing Assignments: 
  
  Navigate to the material group hierarchy in SAP and verify if the material group is already assigned to the specified level.
  Use transaction codes like OMW1 (for material group hierarchy) to review the current assignments.
  
  
  
  Remove Duplicate Assignment:
  
  If the material group is indeed already assigned, you may need to