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.

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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 error message. Ensure that each key field is defined only once.
  Check Data Entries: If you are entering data, verify that you are not duplicating key fields in your input.
  Examine Data Model: If applicable, review the data model to ensure that key fields are uniquely defined for each object.
  Integration Mapping: If this error arises during integration, review the mapping of fields to ensure that key fields are not being mapped multiple times.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidelines on the object you are working with, as there may be specific rules regarding key fields.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Transaction Codes: Use relevant transaction codes (like SE11 for Data Dictionary, SE80 for Object Navigator) to inspect the definitions of the objects involved.
  Debugging: If you have access to debugging tools, you can trace the execution to see where the error is being triggered.
  Community Forums: Consider searching or posting in SAP community forums for additional insights from other users who may have encountered the same issue.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.