How To Fix FKKBW001 - Unpermitted change to field &1

SAP Error Message - Details

• Message type: E = Error

• Message class: FKKBW - Messages for BW Extraction

• Message number: 001

• Message text: Unpermitted change to field &1

What causes this issue?

You have carried out an unpermitted change to field &V1&. You can
either leave the field unchanged, or reset it to the initial value.

System Response

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

How to fix this error?

You can influence whether or not fields can be changed in event 2510.
If you want to change fields, you have to change this event. (See
documentation <DS:FU.FKK_SAMPLE_2510>FKK_SAMPLE_2510</>).

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message FKKBW001 - Unpermitted change to field &1 ?

  The SAP error message FKKBW001 ("Unpermitted change to field &1") typically occurs in the context of financial accounting and controlling, particularly when dealing with document changes in the SAP system. This error indicates that an attempt was made to change a field in a document that is not allowed due to the system's configuration or business rules.
  Cause:
  The error can be triggered by several factors, including:
  
  
  Field Restrictions: Certain fields in financial documents are protected from changes after they have been posted. This is to maintain data integrity and ensure that financial records are accurate.
  
  
  Document Status: The document may be in a status that does not allow changes. For example, if the document is already cleared or has been processed in a way that locks certain fields.
  
  
  Customizations: Custom developments or enhancements in the SAP system may impose additional restrictions on field changes.
  
  
  User Authorizations: The user may not have the necessary authorizations to make changes to specific fields in the document.
  
  
  Solution:
  To resolve the FKKBW001 error, consider the following steps:
  
  
  Check Field Permissions: Review the field that is causing the error and verify if it is allowed to be changed. Refer to the SAP documentation or consult with your SAP functional consultant.
  
  
  Document Status Review: Check the status of the document. If it is in a status that does not permit changes, you may need to reverse or cancel the document before making any changes.
  
  
  User Authorizations: Ensure that the user attempting to make the change has the appropriate authorizations. This may involve checking roles and permissions in the SAP system.
  
  
  Consult Custom Code: If there are custom developments in your SAP environment, review the code to see if there are any additional restrictions implemented that could be causing the error.
  
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error message. SAP frequently releases updates and patches that may resolve known issues.
  
  
  Testing in Development: If you are unsure about the changes, consider testing in a development or quality assurance environment before applying changes in production.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as FB02 (Change Document), FB03 (Display Document), and others that may be involved in document processing.
  SAP Community: Engage with the SAP Community or forums for insights from other users who may have encountered similar issues.
  Documentation: Review SAP documentation related to financial accounting and document management for best practices and guidelines.
  
  If the issue persists after following these steps, it may be beneficial to engage with your SAP support team or a consultant who specializes in SAP Financials for further assistance.