How To Fix FDT_CHANGE_INFO402 - Rule at position &1 was changed

SAP Error Message - Details

• Message type: E = Error

• Message class: FDT_CHANGE_INFO - FDT: Changes info in object for different versions

• Message number: 402

• Message text: Rule at position &1 was changed

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message FDT_CHANGE_INFO402 - Rule at position &1 was changed ?

  The SAP error message "FDT_CHANGE_INFO402: Rule at position &1 was changed" typically occurs in the context of the SAP Fiori Design Studio or when working with the FDT (Form Data Tool) framework. This message indicates that a rule defined in a form or data model has been modified, which can lead to inconsistencies or issues in the application or report that relies on that rule.
  Cause:
  
  
  Rule Modification: The most common cause of this error is that a rule at a specific position (indicated by &1) has been altered. This could happen due to:
  
  Manual changes made by a developer or user.
  Changes made during a transport or upgrade process.
  Changes in the underlying data model or structure that affect the rules.
  
  
  
  Inconsistent State: The application or report may be in an inconsistent state due to the change, leading to this error being triggered when trying to execute or validate the form.
  
  
  Solution:
  
  
  Review Changes: Check the specific rule at the indicated position (&1) to understand what changes were made. This may involve:
  
  Accessing the FDT or Design Studio environment.
  Reviewing the version history or change logs if available.
  
  
  
  Revert Changes: If the changes were unintended or incorrect, consider reverting to the previous version of the rule or restoring it to its original state.
  
  
  Validate Rules: After making any changes, validate the rules to ensure that they are functioning correctly and that there are no further inconsistencies.
  
  
  Test the Application: After resolving the issue, thoroughly test the application or report to ensure that it behaves as expected and that the error does not reoccur.
  
  
  Consult Documentation: If the issue persists, consult SAP documentation or support resources for further guidance on handling FDT-related errors.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed.
  SAP Support: If the issue cannot be resolved internally, consider reaching out to SAP Support for assistance.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.