How To Fix WW022 - Hierarchy material & already exists

WW022 - Overview

• Message type: E = Error

• Message class: WW - Material group master maintenance

• Message number: 022

• Message text: Hierarchy material & already exists

What causes this issue?

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?

Enter a new key term.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message WW022 - Hierarchy material & already exists ?

  The SAP error message WW022 ("Hierarchy material & already exists") typically occurs when you are trying to create or modify a hierarchy in the SAP system, and the system detects that a hierarchy material with the same identifier already exists. This can happen in various contexts, such as when working with material master data, bill of materials (BOM), or other hierarchical structures.
  
  Cause:
  
  Duplicate Entry: The most common cause is that you are attempting to create a new hierarchy material that has the same identifier (e.g., material number) as an existing one.
  Incorrect Data Entry: There may be a typographical error in the material number you are trying to enter.
  System Configuration: The system may have specific settings or configurations that prevent the creation of duplicate hierarchy materials.
  
  
  Solution:
  
  
  Check Existing Hierarchy Materials: Before creating a new hierarchy material, check the existing materials in the system to ensure that you are not duplicating an existing entry.