How To Fix W7021 - No hierarchy material found for material group &1

W7021 - Overview

• Message type: E = Error

• Message class: W7 - Message Class for Value-Only Based Inventory Management

• Message number: 021

• Message text: No hierarchy material found for material group &1

What causes this issue?

Inventory management is done at hierarchy material level. However,
no such level could be determined for material group &V1&.

How to fix this error?

Check whether an assignment to hierarchy material exists in your
plant for the material group of the entered material.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message W7021 - No hierarchy material found for material group &1 ?

  Certainly! Here's a detailed explanation for the SAP error message:
  
  SAP Error Message:
  W7021 No hierarchy material found for material group &1
  
  Meaning / 
  Cause:
  This warning message indicates that the system could not find a material hierarchy assigned to the specified material group (the placeholder &1 is replaced by the actual material group number in the message). 
  Material hierarchies are used in SAP for reporting and classification purposes, especially in Sales and Distribution (SD) and Logistics Information System (LIS). They provide a structured way to group materials for analysis.
  If the material group does not have an assigned material hierarchy, certain processes or reports that rely on this hierarchy cannot function properly, hence the warning.
  
  Common Causes:
  
  The material group master data does not have a material hierarchy assigned.
  The material hierarchy master data is incomplete or missing.
  The material group is newly created but the hierarchy assignment was not maintained.
  Customizing settings for material groups and hierarchies are