How To Fix AXT_MODEL178 - Target ID &1 is used several times

SAP Error Message - Details

• Message type: E = Error

• Message class: AXT_MODEL -

• Message number: 178

• Message text: Target ID &1 is used several times

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message AXT_MODEL178 - Target ID &1 is used several times ?

  The SAP error message AXT_MODEL178, which states "Target ID &1 is used several times," typically occurs in the context of data modeling or when working with certain SAP applications, such as SAP BW (Business Warehouse) or SAP HANA. This error indicates that a specific target ID (which could refer to a data target, such as an InfoObject, InfoProvider, or similar) is being referenced multiple times in a way that is not allowed.
  Cause:
  
  Duplicate Target IDs: The most common cause of this error is that the same target ID is being used multiple times in a data flow or transformation. This can happen if you have inadvertently set up multiple mappings to the same target in a data model or transformation process.
  Incorrect Configuration: There may be a configuration issue where the target ID is not set up correctly, leading to multiple references.
  Modeling Errors: Errors in the data model design can also lead to this issue, especially if the model is complex and involves multiple layers of transformations.
  
  Solution:
  
  Check Data Flow: Review the data flow or transformation where the error is occurring. Ensure that each target ID is only referenced once. If you find duplicates, remove or consolidate them as necessary.
  Review Transformations: If you are using transformations, check the mappings to ensure that each target ID is uniquely assigned. Adjust the mappings to eliminate any duplicates.
  Validate Model: Use the validation tools available in SAP to check the integrity of your data model. This can help identify any other potential issues that may not be immediately obvious.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidelines on how to structure your data models and transformations to avoid this error.
  Testing: After making changes, test the data flow or transformation again to ensure that the error has been resolved.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may provide additional insights or fixes related to this error message.
  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 solutions or workarounds.
  SAP Support: If the issue persists and you are unable to resolve it, consider reaching out to SAP Support for assistance. They can provide more detailed guidance based on your specific system configuration and usage.
  
  By following these steps, you should be able to identify the cause of the AXT_MODEL178 error and implement a solution to resolve it.