How To Fix CBGL00502 - Hierarchy explosion is not possible; alt. unit of measure does not exist

CBGL00502 - Overview

• Message type: E = Error

• Message class: CBGL00 - GLM: Standard Messages

• Message number: 502

• Message text: Hierarchy explosion is not possible; alt. unit of measure does not exist

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 the required packaging unit in the material master of the material
as an <DS:GLOS.3526C0A4AFAB52B9E10000009B38F974>alternative unit of
measure</>.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CBGL00502 - Hierarchy explosion is not possible; alt. unit of measure does not exist ?

  The SAP error message CBGL00502 indicates that there is an issue with the hierarchy explosion process in the context of a bill of materials (BOM) or a similar structure where alternative units of measure (UoM) are involved. This error typically arises when the system cannot find a valid alternative unit of measure for the materials involved in the hierarchy.
  
  Cause:
  
  Missing Alternative Unit of Measure: The primary cause of this error is that the alternative unit of measure for a material is not defined in the material master data.
  Incorrect Configuration: The configuration settings for the material or the BOM may not be set up correctly, leading to issues in the hierarchy explosion process.
  Data Inconsistency: There may be inconsistencies in the data related to the materials, such as missing or incorrect entries in the material master or BOM.
  
  
  Solution:
  
  
  Check Material Master Data:
  
  Go to the material master (transaction code MM03) and check if the alternative