How To Fix ECH_PLX020 - Key field &1 is specified multiple times for related object &2

SAP Error Message - Details

• Message type: E = Error

• Message class: ECH_PLX - Payload Extraction

• Message number: 020

• Message text: Key field &1 is specified multiple times 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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message ECH_PLX020 - Key field &1 is specified multiple times for related object &2 ?

  The SAP error message ECH_PLX020 indicates that a key field has been specified multiple times for a related object in a configuration or data entry process. This typically occurs in scenarios where you are working with data models, configuration settings, or integration processes that involve key fields.
  
  Cause:
  The error is caused by the following scenarios:
  
  Duplicate Key Fields: The same key field is being defined more than once for a particular object. This can happen in configuration settings, data entries, or during the mapping of fields in integration scenarios.
  Incorrect Data Model: The data model may not be correctly defined, leading to multiple definitions of the same key field.
  Integration Issues: When integrating with other systems, the mapping of fields may inadvertently lead to the same key field being specified multiple times.
  
  
  Solution:
  To resolve the ECH_PLX020 error, you can take the following steps:
  
  Review Configuration: Check the configuration settings for the related object mentioned in the