How To Fix FDT_CORE756 - Unknown sibling &1

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 756

• Message text: Unknown sibling &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.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message FDT_CORE756 - Unknown sibling &1 ?

  The SAP error message FDT_CORE756: Unknown sibling &1 typically occurs in the context of SAP's Form Data Technology (FDT) or when working with Adobe Forms. This error indicates that the system is unable to find a sibling object (like a field or a node) that is expected in the form structure.
  Cause:
  
  Missing or Incorrectly Defined Sibling: The error usually arises when a sibling element (another field or node that should be at the same hierarchical level) is either missing or incorrectly defined in the form's XML structure.
  Form Design Issues: If the form was modified or if there are inconsistencies in the form design, it may lead to this error.
  Data Binding Issues: If the data binding for the form fields is not set up correctly, it can lead to references to non-existent siblings.
  
  Solution:
  
  Check Form Structure: Open the form in the Adobe LiveCycle Designer or the appropriate form design tool and verify the structure. Ensure that all sibling elements are correctly defined and present.
  Validate Data Binding: Ensure that the data binding for the fields is correctly set up. Check if the fields are correctly linked to the data source.
  Recreate the Form: If the form is too complex or if there are too many issues, consider recreating the form from scratch, ensuring that all elements are correctly defined.
  Check for Updates: Ensure that you are using the latest version of the form design tools and that any relevant SAP notes or patches have been applied.
  Consult SAP Notes: Look for any SAP Notes related to this error message. SAP frequently releases notes that address specific issues and provide guidance on how to resolve them.
  
  Related Information:
  
  SAP Documentation: Refer to the official SAP documentation for Form Data Technology and Adobe Forms for more detailed information on form design and troubleshooting.
  SAP Community: Engage with the SAP Community forums where other users may have encountered similar issues and can provide insights or solutions.
  SAP Support: If the issue persists, consider reaching out to SAP Support for assistance, especially if this is affecting production systems.
  
  By following these steps, you should be able to identify and resolve the cause of the FDT_CORE756 error in your SAP environment.