How To Fix UMK103 - Deletion is not permitted; &1 is a reserved catalog

UMK103 - Overview

• Message type: E = Error

• Message class: UMK - Measures

• Message number: 103

• Message text: Deletion is not permitted; &1 is a reserved catalog

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 UMK103 - Deletion is not permitted; &1 is a reserved catalog ?

  The SAP error message UMK103, which states "Deletion is not permitted; &1 is a reserved catalog," typically occurs when you attempt to delete a catalog that is reserved or has been designated as a system catalog in SAP. Reserved catalogs are those that are essential for the system's operation or are protected from deletion to maintain data integrity.
  
  Cause:
  
  Reserved Catalog: The catalog you are trying to delete is marked as reserved by the system. This means it is critical for certain functionalities or data structures within SAP.
  System Integrity: SAP has built-in protections to prevent the deletion of important catalogs that could affect system performance or data integrity.
  
  
  Solution:
  
  Check Catalog Status: Verify if the catalog you are trying to delete is indeed a reserved catalog. You can do this by checking the catalog settings in the relevant SAP transaction (e.g., using transaction codes like UMK1 or UMK2).
  Review Documentation: Consult SAP documentation or your