How To Fix EHPRC_CPM_CHECK090 - Nested basic materials/surfaces or bulks are used

EHPRC_CPM_CHECK090 - Overview

• Message type: E = Error

• Message class: EHPRC_CPM_CHECK - Messages for Checks

• Message number: 090

• Message text: Nested basic materials/surfaces or bulks are used

What causes this issue?

Nested basic materials/surfaces or bulks are used.
AIAG/IEEE does not support nested basic materials/surfaces or bulks.

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?

Change the product structure or use a user exit from the BOS
explosion to change the product structure during the export.

Error message extract from SAP system. Copyright SAP SE.

EHPRC_CPM_CHECK090 - Details

• The SAP error message EHPRC_CPM_CHECK090 indicates that there is an issue with the configuration of materials in the context of the SAP Environment, Health, and Safety (EHS) module, specifically related to the Product Safety Management (PSM) or Chemical Product Management (CPM) functionalities. This error typically arises when nested basic materials, surfaces, or bulk materials are used incorrectly in a product structure or material master.
  
  Cause:
  The error occurs when:
  
  There are nested materials defined in a way that is not allowed. For example, a basic material may be defined as a component of another basic material, leading to a circular reference or an invalid hierarchy.
  The system detects that a basic material is being used in multiple contexts that conflict with the expected structure or usage rules.
  
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Review Material Structure:
  
  Check the material master records for the involved materials. Ensure that there are no circular references or