How To Fix ACEPS091 - Old account determination tool reactivated; Restart required

SAP Error Message - Details

• Message type: E = Error

• Message class: ACEPS - Fehlermeldungen Abgrenzungsbuchungen

• Message number: 091

• Message text: Old account determination tool reactivated; Restart required

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 ACEPS091 - Old account determination tool reactivated; Restart required ?

  The SAP error message ACEPS091 indicates that the old account determination tool has been reactivated in your SAP system, and a restart is required for the changes to take effect. This typically occurs in the context of the SAP Controlling (CO) module, particularly when dealing with account determination settings.
  Cause:
  
  Reactivation of Old Tool: The error is triggered when the old account determination tool is reactivated in the system configuration. This can happen due to changes made in the system settings or during an upgrade or patch application.
  System Configuration Changes: Changes in the configuration related to account determination can lead to this message, indicating that the system needs to be restarted to apply the new settings.
  
  Solution:
  
  Restart the SAP System: The primary solution is to restart the SAP system. This can be done by the system administrator or through the appropriate system management tools.
  Check Configuration Settings: After the restart, verify the account determination settings to ensure they are configured correctly. This can be done in the SAP GUI under the relevant configuration paths.
  Review Documentation: Consult the SAP documentation or notes related to the account determination tool to understand any implications of reactivating the old tool.
  Testing: After the restart, perform tests to ensure that the account determination is functioning as expected.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may provide additional context or solutions related to this error message.
  Transaction Codes: Familiarize yourself with transaction codes related to account determination, such as OBYC (Automatic Account Determination) and others that may be relevant to your configuration.
  System Logs: Review system logs for any additional error messages or warnings that may provide further insight into the issue.
  Support: If the issue persists after a restart, consider reaching out to SAP support for further assistance.
  
  Best Practices:
  
  Always back up your configuration before making changes.
  Document any changes made to the system settings for future reference.
  Regularly monitor system performance and error messages to catch issues early.
  
  By following these steps, you should be able to resolve the ACEPS091 error and ensure that your account determination settings are functioning correctly.