How To Fix ECH_PLX013 - Field &1 is not a key field for related object &2

ECH_PLX013 - Overview

• Message type: E = Error

• Message class: ECH_PLX - Payload Extraction

• Message number: 013

• Message text: Field &1 is not a key field for related object &2

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message ECH_PLX013 - Field &1 is not a key field for related object &2 ?

  The SAP error message ECH_PLX013 indicates that a specific field (denoted as &1) is not recognized as a key field for a related object (denoted as &2) in the context of a particular operation or transaction. This error typically arises in scenarios involving data processing, configuration, or integration where the system expects a key field to uniquely identify records in a related object.
  
  Cause:
  
  Field Configuration: The field specified in the error message is not defined as a key field in the data model or configuration for the related object. Key fields are essential for uniquely identifying records.
  Data Model Changes: Changes in the data model or configuration might have led to the field being removed or altered, causing it to no longer be recognized as a key field.
  Incorrect Mapping: In scenarios involving data transfer or integration (e.g., using IDocs, BAPIs, or other interfaces), the mapping of fields may be incorrect, leading to