How To Fix 5Q459 - File &1: ZKNN notification with same Zusy ID &2 already exists

5Q459 - Overview

• Message type: E = Error

• Message class: 5Q - Error Texts for Public Sector

• Message number: 459

• Message text: File &1: ZKNN notification with same Zusy ID &2 already exists

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 5Q459 - File &1: ZKNN notification with same Zusy ID &2 already exists ?

  The SAP error message 5Q459 indicates that there is an attempt to create a notification (in this case, a ZKNN notification) with a unique identifier (Zusy ID) that already exists in the system. This typically occurs in scenarios where the system is trying to create a new notification but finds that a notification with the same identifier is already present.
  
  Cause:
  
  Duplicate Notification: The most common cause is that a notification with the same Zusy ID has already been created, and the system does not allow duplicates.
  Data Entry Error: There may have been an error in data entry, leading to the same ID being used inadvertently.
  System Configuration: The system may be configured to enforce unique constraints on certain fields, including the Zusy ID.
  
  
  Solution:
  
  Check Existing Notifications: Before creating a new notification, check if a notification with the same Zusy ID already exists. You can do this by querying the notification table or using