How To Fix FDT_CORE757 - Unknown parent &1

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 757

• Message text: Unknown parent &1

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 FDT_CORE757 - Unknown parent &1 ?

  The SAP error message FDT_CORE757: Unknown parent &1 typically occurs in the context of the SAP Fiori Design Studio or when working with the FDT (Form Data Tool) framework. This error indicates that the system is unable to find a parent object or component that is expected in the hierarchy of the data model or UI component structure.
  Causes:
  
  Missing Parent Object: The parent object that the current component is trying to reference does not exist or has not been defined properly.
  Incorrect Configuration: There may be a misconfiguration in the data model or UI component settings, leading to the system being unable to resolve the parent-child relationship.
  Data Model Changes: If the data model has been modified (e.g., fields added or removed), it may lead to inconsistencies in the references.
  Transport Issues: If the application was transported from one system to another, some dependencies may not have been transported correctly.
  
  Solutions:
  
  Check Parent Object: Verify that the parent object referenced in the error message exists and is correctly defined in the data model or UI component structure.
  Review Configuration: Go through the configuration settings of the affected component to ensure that all references are correct and that the hierarchy is properly set up.
  Update Data Model: If there have been changes to the data model, ensure that all components are updated accordingly to reflect these changes.
  Recreate Component: If the issue persists, consider recreating the affected component or UI element to ensure that it is correctly linked to its parent.
  Check Transport Logs: If the issue arose after a transport, check the transport logs to ensure that all necessary objects were transported correctly.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions for common errors.
  Fiori Design Studio Documentation: Review the official SAP documentation for Fiori Design Studio or the FDT framework for best practices on component configuration and data model management.
  Community Forums: Engage with the SAP Community or forums where other users may have encountered similar issues and can provide insights or solutions.
  
  If the problem persists after trying the above solutions, consider reaching out to SAP support for further assistance.