How To Fix MR021 - Internal error while determining the characteristics data for class &

MR021 - Overview

• Message type: E = Error

• Message class: MR - Stock overview for generic materials

• Message number: 021

• Message text: Internal error while determining the characteristics data for class &

What causes this issue?

An internal error has occurred while reading the characteristics data
for the class entered (generic material or material group).

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Notify your system administrator.

Error message extract from SAP system. Copyright SAP SE.

MR021 - Details

• The SAP error message MR021, which states "Internal error while determining the characteristics data for class &," typically occurs in the context of classification and variant configuration in SAP. This error indicates that there is an issue with the system's ability to retrieve or process the characteristics data associated with a specific class.
  Causes:
  
  Data Inconsistency: There may be inconsistencies or corruption in the classification data or characteristics associated with the class.
  Missing Characteristics: The characteristics that are expected to be associated with the class may be missing or not properly defined.
  Authorization Issues: The user may not have the necessary authorizations to access the characteristics data.
  System Bugs: There could be a bug in the SAP system or a specific transaction that is causing the error.
  
  Configuration Issues: Incorrect configuration settings in the classification system or variant configuration may lead to this error.
  
  Solutions:
  
  
  Check Class and Characteristics:
  
  Verify that the class and its associated characteristics are correctly