How To Fix 5D123 - Critical error during notification comparison - notification key &

5D123 - Overview

• Message type: E = Error

• Message class: 5D - Error Messages for German Infotype Module Pools

• Message number: 123

• Message text: Critical error during notification comparison - notification key &

What causes this issue?

When the notification comparison was performed, the notification with
key &V1& could not be found!

System Response

The personnel number is rejected. DEUEV notifications are not created.

How to fix this error?

This is probably an internal error in report RPCD3VD0. Call the
hotline.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message 5D123 - Critical error during notification comparison - notification key & ?

  The SAP error message 5D123 indicates a critical error during the notification comparison process, specifically related to a notification key. This error typically arises in the context of SAP's Plant Maintenance (PM) or Customer Service (CS) modules, where notifications are used to track issues, maintenance tasks, or service requests.
  
  Cause:
  The error can be caused by several factors, including:
  
  Data Inconsistency: There may be inconsistencies in the database, such as missing or corrupted entries related to the notification key.
  Authorization Issues: The user may not have the necessary authorizations to access or modify the notification.
  System Configuration: Incorrect configuration settings in the SAP system can lead to errors during notification processing.
  Program Errors: Bugs or issues in the underlying ABAP code that handles notification comparisons can also trigger this error.
  
  
  Solution:
  To resolve the error, you can take the following steps:
  
  
  Check Notification Key: Verify that the notification key referenced in the error message is valid and exists in