How To Fix FDT_CORE758 - Sibling &1 does not belong to parent &2

SAP Error Message - Details

• Message type: E = Error

• Message class: FDT_CORE - Formula & Derivation Tool: Core

• Message number: 758

• Message text: Sibling &1 does not belong to parent &2

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message FDT_CORE758 - Sibling &1 does not belong to parent &2 ?

  The SAP error message FDT_CORE758 with the description "Sibling &1 does not belong to parent &2" typically occurs in the context of the SAP Fiori Design Time (FDT) framework, particularly when dealing with data models or hierarchies in the application.
  Cause:
  This error usually indicates that there is a mismatch in the hierarchical structure of the data model. Specifically, it suggests that the sibling element (or node) you are trying to reference or manipulate does not belong to the specified parent element. This can happen due to:
  
  Incorrect Data Model Configuration: The data model may have been incorrectly defined, leading to a situation where the sibling node is not properly associated with the parent node.
  Changes in Hierarchy: If the hierarchy has been modified (e.g., nodes added or removed), it may lead to inconsistencies.
  Data Integrity Issues: There may be issues with the integrity of the data being processed, such as missing relationships or incorrect references.
  
  Solution:
  To resolve the FDT_CORE758 error, you can take the following steps:
  
  
  Check Data Model Configuration:
  
  Review the configuration of the data model to ensure that all nodes are correctly defined and that the relationships between parent and sibling nodes are properly established.
  Ensure that the sibling node is indeed a child of the specified parent node.
  
  
  
  Validate Hierarchical Structure:
  
  Use tools or transaction codes in SAP to visualize the hierarchy and confirm that the structure is as expected.
  If necessary, re-establish the correct relationships between nodes.
  
  
  
  Review Recent Changes:
  
  If the error started occurring after recent changes, review those changes to identify any modifications that may have led to the issue.
  Roll back any changes if needed to restore the previous working state.
  
  
  
  Check for Data Integrity:
  
  Ensure that the data being processed is complete and that all necessary relationships are intact.
  If you are working with custom code or enhancements, verify that they are not causing the issue.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or community forums for any specific guidance related to the FDT framework and this error message.
  
  
  
  Contact SAP Support:
  
  If the issue persists and you are unable to resolve it, consider reaching out to SAP support for further assistance.
  
  
  
  Related Information:
  
  SAP Fiori Design Time (FDT): This is a framework used for designing and configuring SAP Fiori applications. Understanding its structure and how data models are defined can help in troubleshooting related issues.
  Error Logs: Check the application logs or error logs in SAP to gather more context about when and why the error is occurring.
  SAP Community: Engaging with the SAP Community can provide insights from other users who may have encountered similar issues.
  
  By following these steps, you should be able to identify the root cause of the FDT_CORE758 error and implement a suitable solution.