How To Fix FKKBIX428 - The configuration is not allowed to be changed (ZDM upgrade running)

FKKBIX428 - Overview

• Message type: E = Error

• Message class: FKKBIX - Conv.Inv.: Billing (Invoice Preprocessing)

• Message number: 428

• Message text: The configuration is not allowed to be changed (ZDM upgrade running)

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message FKKBIX428 - The configuration is not allowed to be changed (ZDM upgrade running) ?

  The SAP error message FKKBIX428 indicates that a configuration change is not allowed because a Zero Downtime Maintenance (ZDM) upgrade is currently in progress. This is a protective measure to ensure that the system remains stable and consistent during the upgrade process.
  
  Cause:
  The error occurs when an attempt is made to change configuration settings in the SAP system while a ZDM upgrade is running. ZDM upgrades are designed to minimize downtime by allowing certain operations to continue while the upgrade is being applied. However, to maintain data integrity and system stability, certain configurations cannot be modified during this time.
  
  Solution:
  
  
  Wait for the Upgrade to Complete: The simplest solution is to wait until the ZDM upgrade process is fully completed. Once the upgrade is finished, you should be able to make the necessary configuration changes without encountering this error.
  
  
  Check Upgrade Status: You can monitor the status of the ZDM upgrade through the SAP