How To Fix EEWMGBC239 - Key field for child object must come from the &1 system

SAP Error Message - Details

• Message type: E = Error

• Message class: EEWMGBC - GBC: GIS Business Connector

• Message number: 239

• Message text: Key field for child object must come from the &1 system

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 EEWMGBC239 - Key field for child object must come from the &1 system ?

  The SAP error message EEWMGBC239 indicates that there is an issue with the key field for a child object in a system landscape where multiple systems are involved. This error typically arises in scenarios involving data replication or integration between different SAP systems, such as when using SAP Landscape Management or SAP Process Integration.
  Cause:
  The error message "Key field for child object must come from the &1 system" suggests that the system is expecting a key field for a child object to originate from a specific system (denoted by &1). This usually occurs when:
  
  The key field for the child object is not correctly mapped or is missing.
  There is a mismatch in the configuration or data model between the parent and child objects.
  The data being processed is coming from an incorrect source system.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Configuration: Ensure that the configuration for the parent and child objects is correctly set up. Verify that the key fields are properly defined and mapped in both systems.
  
  
  Data Source Verification: Confirm that the data being processed is coming from the correct source system. If the data is being replicated or transferred, ensure that the source system is correctly specified.
  
  
  Mapping Review: Review the mapping of key fields between the parent and child objects. Make sure that the key fields are aligned and that the child object is referencing the correct key from the parent object.
  
  
  System Settings: Check the settings in the relevant SAP modules (like SAP BW, SAP PI/PO, etc.) to ensure that they are configured to handle the data flow correctly.
  
  
  Logs and Traces: Look into the application logs or traces for more detailed information about the error. This can provide insights into what specific data or configuration is causing the issue.
  
  
  Consult Documentation: Refer to SAP documentation or notes related to the specific modules you are working with. There may be known issues or additional configuration steps required.
  
  
  SAP Support: If the issue persists, consider reaching out to SAP Support for assistance. Provide them with the error message details and any relevant configuration information.
  
  
  Related Information:
  
  SAP Notes: Check for any SAP Notes related to this error message. SAP frequently updates their knowledge base with solutions for common issues.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed. Other users may have encountered the same error and can provide insights or solutions.
  Documentation: Review the documentation for the specific SAP modules involved in your scenario, as they may have specific requirements or configurations that need to be adhered to.
  
  By following these steps, you should be able to identify the root cause of the EEWMGBC239 error and implement a suitable solution.