How To Fix FDT_HANA171 - &2: Element ID &1 is used also for source field mapping (&3)

SAP Error Message - Details

• Message type: E = Error

• Message class: FDT_HANA - BRFplus: HANA Integration

• Message number: 171

• Message text: &2: Element ID &1 is used also for source field mapping (&3)

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message FDT_HANA171 - &2: Element ID &1 is used also for source field mapping (&3) ?

  The SAP error message FDT_HANA171 typically indicates a conflict in the field mapping configuration within the SAP Data Services or SAP HANA environment. This error occurs when an element ID is being used in multiple contexts, specifically when it is mapped to more than one source field. Here’s a breakdown of the cause, potential solutions, and related information:
  Cause:
  
  Duplicate Element ID: The error suggests that the same element ID is being referenced in multiple source field mappings. This can happen if the same field is being used in different mappings or if there is a misconfiguration in the data flow.
  Incorrect Mapping Configuration: The mapping configuration may not be set up correctly, leading to conflicts in how fields are being referenced.
  
  Solution:
  
  Review Field Mappings: Check the mappings in your data flow or transformation logic. Ensure that each element ID is uniquely assigned to a single source field. If the same element ID is required for different fields, consider creating separate element IDs for each mapping.
  Modify Data Flow: If the same element ID is necessary for multiple mappings, you may need to redesign your data flow to avoid conflicts. This could involve creating additional transformation steps or using different element IDs.
  Check for Overlaps: Look for any overlaps in your data model where the same element ID might be inadvertently reused. This can often happen in complex data models or when merging multiple data sources.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidelines on field mapping and element ID usage. This can provide insights into best practices and common pitfalls.
  
  Related Information:
  
  SAP Data Services: If you are using SAP Data Services, familiarize yourself with the data flow design and mapping rules. Understanding how to properly configure mappings can help prevent such errors.
  SAP HANA: If the error is occurring in an SAP HANA context, ensure that your HANA models and views are correctly defined and that there are no conflicting definitions.
  Error Logs: Check the error logs for additional context or details that may help identify the source of the conflict.
  SAP Community: Engage with the SAP Community forums or support channels for additional insights or similar experiences from other users.
  
  By addressing the mapping configuration and ensuring that element IDs are uniquely assigned, you should be able to resolve the FDT_HANA171 error.