How To Fix 1N302 - Enter a unique combination of Logical Destination &1 and Model View &2

SAP Error Message - Details

• Message type: E = Error

• Message class: 1N - BCA: Payment Item Dialog

• Message number: 302

• Message text: Enter a unique combination of Logical Destination &1 and Model View &2

What causes this issue?

The system does not allow you to assign more than one ALE Model to a
particular financial accounting system (logical destination).

System Response

The system does not save the bank area settings.

How to fix this error?

Ensure that the combination of model view and logical destination is
unique.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message 1N302 - Enter a unique combination of Logical Destination &1 and Model View &2 ?

  The SAP error message 1N302 indicates that there is an issue with the configuration of a logical destination and model view in the system. This error typically arises when there is an attempt to create or modify a configuration that requires a unique combination of a logical destination and a model view, but the combination provided is not unique.
  Cause:
  
  Duplicate Entries: The most common cause of this error is that there are already existing entries in the system that have the same logical destination and model view combination.
  Incorrect Configuration: The configuration settings may not have been set up correctly, leading to conflicts in the logical destination and model view.
  Data Integrity Issues: There may be issues with data integrity in the system, such as inconsistencies in the database.
  
  Solution:
  To resolve the error, you can take the following steps:
  
  
  Check Existing Entries:
  
  Navigate to the relevant configuration area in SAP where logical destinations and model views are defined.
  Look for existing entries that match the logical destination and model view you are trying to use. If duplicates exist, you will need to either modify or delete the conflicting entries.
  
  
  
  Create Unique Combinations:
  
  If you need to create a new entry, ensure that the combination of logical destination and model view is unique. You may need to change either the logical destination or the model view to avoid conflicts.
  
  
  
  Review Configuration Settings:
  
  Review the configuration settings for logical destinations and model views to ensure they are set up correctly. Make sure that there are no typos or misconfigurations.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for guidance on how to properly configure logical destinations and model views.
  
  
  
  Check Authorization:
  
  Ensure that you have the necessary authorizations to create or modify the entries in question.
  
  
  
  Contact SAP Support:
  
  If the issue persists after checking for duplicates and reviewing configurations, consider reaching out to SAP support for further assistance.
  
  
  
  Related Information:
  
  Transaction Codes: Depending on the context, you may need to use specific transaction codes to access the configuration settings for logical destinations and model views (e.g., SM59 for RFC destinations).
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  System Logs: Review system logs for any additional error messages or warnings that may provide more context about the issue.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.