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

SAP Error Message - Details

• 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 the system. You can do this by searching for the notification in the relevant transaction (e.g., IW21, IW22).
  
  
  Data Consistency Check: Run consistency checks on the database to identify and correct any inconsistencies. This may involve using transaction codes like SE11 (Data Dictionary) or SE16 (Data Browser) to inspect the relevant tables.
  
  
  Authorization Check: Ensure that the user encountering the error has the necessary authorizations to access and modify notifications. You can check this in transaction SU53 or by consulting with your security team.
  
  
  Review Configuration: Check the configuration settings related to notifications in the SAP system. This may involve reviewing settings in SPRO (SAP Reference IMG) under the relevant modules (PM or CS).
  
  
  Debugging: If the issue persists, consider debugging the program that is generating the error. This may require the assistance of an ABAP developer to identify any coding issues.
  
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error. SAP frequently releases patches and updates that can resolve known issues.
  
  
  Contact SAP Support: If none of the above solutions work, consider reaching out to SAP Support for further assistance. Provide them with the error message details and any relevant logs or screenshots.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as IW21 (Create Notification), IW22 (Change Notification), and IW23 (Display Notification).
  SAP Documentation: Review SAP documentation related to notifications in the PM or CS modules for additional context and troubleshooting steps.
  User Forums: Check SAP community forums or user groups for discussions related to this error, as other users may have encountered and resolved similar issues.
  
  By following these steps, you should be able to diagnose and resolve the error message 5D123 in your SAP system.