How To Fix 1R021 - &1 is not permitted as a logical category since it is a derived caregory

SAP Error Message - Details

• Message type: E = Error

• Message class: 1R - SAP Knowledge Provider

• Message number: 021

• Message text: &1 is not permitted as a logical category since it is a derived caregory

What causes this issue?

You tried to use <DS:GLOS.1240D0B74E8BD3118F340060B03CA38C>category</>
&V1& as a logical category, but it is already being used as a derived
category. A category cannot be both logical and derived.

System Response

The entry is not permitted.

How to fix this error?

Correct your entry.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message 1R021 - &1 is not permitted as a logical category since it is a derived caregory ?

  The SAP error message "1R021 &1 is not permitted as a logical category since it is a derived category" typically occurs in the context of SAP's classification system, particularly when dealing with characteristics and classes in the SAP Product Lifecycle Management (PLM) or Material Management (MM) modules.
  Cause:
  This error indicates that you are trying to assign or use a logical category that is derived from another category, which is not allowed in the context you are working in. Derived categories are typically used to inherit properties from a base category, and they cannot be used as standalone logical categories in certain operations.
  Solution:
  To resolve this error, consider the following steps:
  
  
  Check Category Assignment: Ensure that you are not trying to assign a derived category where a base category is required. Review the category hierarchy and confirm that you are using the correct category type.
  
  
  Use Base Category: If you need to perform an operation that requires a logical category, switch to using the base category instead of the derived one.
  
  
  Review Configuration: If you are configuring classification settings, ensure that the settings for derived categories are correctly defined. You may need to consult with your SAP administrator or a functional consultant to review the configuration.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for more information on how logical categories and derived categories are defined and used within your specific SAP environment.
  
  
  Check for Updates: Ensure that your SAP system is up to date, as there may be patches or updates that address issues related to category handling.
  
  
  Related Information:
  
  Classification System: Understand how the classification system works in SAP, including the difference between logical categories and derived categories.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide additional context.
  User Forums: Consider checking SAP community forums or user groups for discussions related to this error, as other users may have encountered and resolved similar issues.
  
  If the problem persists after following these steps, it may be beneficial to engage with SAP support or a qualified SAP consultant for further assistance.