How To Fix /SCF/CL_MESSAGES_SMI028 - Assignment existed, no duplication allowed

SAP Error Message - Details

• Message type: E = Error

• Message class: /SCF/CL_MESSAGES_SMI -

• Message number: 028

• Message text: Assignment existed, no duplication allowed

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SCF/CL_MESSAGES_SMI028 - Assignment existed, no duplication allowed ?

  The SAP error message /SCF/CL_MESSAGES_SMI028 Assignment existed, no duplication allowed typically occurs in the context of the SAP Supply Chain Management (SCM) module, particularly when dealing with assignments in the context of master data or configuration settings. This error indicates that there is an attempt to create a duplicate assignment where one already exists.
  Cause:
  
  Duplicate Assignment: The primary cause of this error is that there is already an existing assignment in the system that matches the one you are trying to create. This could be related to various entities such as resources, products, or other master data.
  Data Integrity Rules: SAP enforces data integrity rules to prevent duplication of assignments, which is crucial for maintaining accurate and reliable data in the system.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Existing Assignments:
  
  Navigate to the relevant transaction or area in SAP where the assignment is being made.
  Look for existing assignments that may be causing the conflict. This could involve checking tables or using transaction codes related to the specific module (e.g., /SCF/ related transactions).
  
  
  
  Modify or Delete Existing Assignment:
  
  If you find an existing assignment that is causing the duplication, you may need to modify it or delete it if it is no longer needed.
  Ensure that any changes made do not violate business rules or data integrity.
  
  
  
  Review Configuration Settings:
  
  If the error persists, review the configuration settings related to the assignments. Ensure that the settings allow for the intended assignments without causing conflicts.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for specific guidance on the module you are working with. This can provide insights into how assignments are managed and any specific rules that apply.
  
  
  
  Contact SAP Support:
  
  If you are unable to resolve the issue, consider reaching out to SAP support or your internal SAP team for assistance. They may have additional tools or insights to help troubleshoot the problem.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes that pertain to the area you are working in (e.g., /SCF/ transactions).
  SAP Notes: Check for any SAP Notes related to this error message. SAP frequently releases notes that address known issues and provide solutions or workarounds.
  User Forums: Engage with SAP community forums or user groups where similar issues may have been discussed. Other users may have encountered the same error and can provide insights or solutions.
  
  By following these steps, you should be able to identify the cause of the error and take appropriate action to resolve it.