How To Fix AO434 - Changing the cost center is not allowed (&1 row &2)

SAP Error Message - Details

• Message type: E = Error

• Message class: AO - Appropriation requests - Master data / Customizing

• Message number: 434

• Message text: Changing the cost center is not allowed (&1 row &2)

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message AO434 - Changing the cost center is not allowed (&1 row &2) ?

  The SAP error message AO434 ("Changing the cost center is not allowed (&1 row &2)") typically occurs in the context of controlling or financial transactions where a cost center is being modified in a way that is not permitted by the system. This error can arise in various scenarios, such as during the posting of journal entries, adjustments, or when trying to change master data.
  Cause:
  
  Data Integrity Rules: SAP has built-in rules to maintain data integrity. Changing a cost center that is already assigned to transactions or documents may violate these rules.
  Document Status: The document you are trying to change may be in a status that does not allow modifications (e.g., posted, completed).
  Authorization Issues: The user may not have the necessary authorizations to change the cost center.
  Configuration Settings: The system configuration may restrict changes to cost centers under certain conditions.
  
  Solution:
  
  Check Document Status: Ensure that the document you are trying to modify is not in a status that prohibits changes. If it is posted, you may need to reverse or adjust the document instead.
  Review Authorizations: Verify that the user has the necessary permissions to make changes to cost centers. If not, contact your SAP security administrator.
  Consult Configuration: Review the configuration settings in the controlling module (CO) to see if there are any restrictions on changing cost centers. This may involve checking the settings in transaction codes like OKEQ or OKEO.
  Use Alternative Methods: If changing the cost center is not allowed, consider using alternative methods such as creating a new cost center or using a different account assignment.
  Check for Open Items: Ensure there are no open items or transactions that are linked to the cost center you are trying to change.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as:
  
  KSB1: Display Cost Centers: Actual Line Items
  KSH1: Create Cost Center
  KSH2: Change Cost Center
  KSH3: Display Cost Center
  
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Documentation: Review SAP documentation for the controlling module to understand the implications of changing cost centers and the associated processes.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP support team or a functional consultant who specializes in the controlling module.