How To Fix WW089 - Material group created. Hierarchy allocation not created.

WW089 - Overview

• Message type: E = Error

• Message class: WW - Material group master maintenance

• Message number: 089

• Message text: Material group created. Hierarchy allocation not created.

What causes this issue?

An internal error occured in the classification system when
assigning the hierarchy level.

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

System Response

How to fix this error?

Attempt this again later and check your material group hierarchy.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message WW089 - Material group created. Hierarchy allocation not created. ?

  The SAP error message WW089, which states "Material group created. Hierarchy allocation not created," typically occurs when a new material group is created in the system, but the hierarchy allocation for that material group has not been established. This can happen in various scenarios, particularly when dealing with material master data and classifications.
  
  Cause:
  
  Missing Hierarchy Allocation: When a new material group is created, it may not automatically be assigned to a hierarchy. This can happen if the hierarchy structure is not properly defined or if the necessary configuration steps were not followed.
  Authorization Issues: Sometimes, the user may not have the necessary authorizations to create or modify hierarchy allocations.
  
  Configuration Issues: The system may not be configured correctly to handle the hierarchy for material groups, leading to this error.
  
  
  Solution:
  
  
  Create Hierarchy Allocation:
  
  Navigate to the relevant transaction in SAP (e.g., OMW1 for material group hierarchy).
  Manually create the hierarchy allocation for the newly created material group.
  Ensure