How To Fix F5A455 - This function might delete non-modifiable fields

SAP Error Message - Details

• Message type: E = Error

• Message class: F5A - Document Editing

• Message number: 455

• Message text: This function might delete non-modifiable fields

What causes this issue?

Deleting CPD data can lead to the deletion of fields that have been
designated as non-modifiable in the document change rules in Cus
tomizing.
INCLUDE 'CUSTOMIZED_MESSAGE_INFO' OBJECT DOKU ID TX

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message F5A455 - This function might delete non-modifiable fields ?

  The SAP error message F5A455, which states "This function might delete non-modifiable fields," typically occurs when there is an attempt to modify or delete fields in a data structure that are not allowed to be changed. This can happen in various contexts, such as during data processing, updates, or when executing certain functions in SAP.
  Cause:
  
  Non-modifiable Fields: The error is triggered when the system detects that the operation being performed could potentially alter fields that are defined as non-modifiable in the data structure.
  Data Integrity: SAP has built-in checks to maintain data integrity, and this error is a safeguard against unintended modifications that could lead to data inconsistencies.
  Custom Code: If there is custom ABAP code or enhancements that attempt to modify these fields, it can lead to this error.
  Incorrect Function Usage: Using a function module or method that is not intended for the type of data being processed can also lead to this error.
  
  Solution:
  
  Review the Code: If you are working with custom ABAP code, review the logic to ensure that it does not attempt to modify non-modifiable fields. Check the data structure definitions and ensure compliance with SAP standards.
  Check Function Module: If the error occurs while calling a function module, verify that you are using the correct parameters and that the function is appropriate for the data being processed.
  Data Structure Definition: Look at the definition of the data structure you are working with. Ensure that you are not trying to delete or modify fields that are marked as non-modifiable.
  Consult Documentation: Refer to SAP documentation or the function module documentation to understand the expected behavior and constraints.
  Debugging: Use the SAP debugger to trace the execution and identify the exact point where the error occurs. This can help in understanding the context and the data being processed.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that might address this specific error or provide guidance on similar issues.
  
  Related Information:
  
  SAP Support: If the issue persists, consider reaching out to SAP support for assistance, especially if it is related to standard SAP functionality.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  Testing: Always test changes in a development or quality assurance environment before applying them to production to avoid unintended consequences.
  
  By following these steps, you should be able to identify the cause of the error and implement a suitable solution.