How To Fix CLS_S4_CONV021 - Invalid call; Characteristic attribute field not found in table

CLS_S4_CONV021 - Overview

• Message type: E = Error

• Message class: CLS_S4_CONV - S/4 HANA: Classification Conversion Messages

• Message number: 021

• Message text: Invalid call; Characteristic attribute field not found in table

Self-Explanatory Message

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CLS_S4_CONV021 - Details

• The SAP error message CLS_S4_CONV021 indicates that there is an invalid call due to a characteristic attribute field not being found in the specified table. This error typically arises in the context of SAP's classification system, particularly when dealing with characteristics and their attributes in the context of material master data or classification data.
  
  Cause:
  
  Missing Field: The characteristic attribute field that the system is trying to access does not exist in the specified table. This could be due to a misconfiguration or an incorrect table reference.
  Data Model Changes: If there have been recent changes to the data model, such as the addition or removal of fields, the system may be trying to access a field that has been deleted or renamed.
  Custom Development: If there are custom programs or enhancements that reference specific fields, they may not be aligned with the current data model.
  Transport Issues: If changes were transported from one system