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

F5A455 - Overview

• 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.

F5A455 - Details

• 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