How To Fix CM_EHFND_COMN045 - &1 &2 is not unique

SAP Error Message - Details

• Message type: E = Error

• Message class: CM_EHFND_COMN - Commonly Used Messages

• Message number: 045

• Message text: &1 &2 is not unique

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 CM_EHFND_COMN045 - &1 &2 is not unique ?

  The SAP error message CM_EHFND_COMN045 typically indicates that there is a uniqueness constraint violation in the system. This error occurs when the system expects a unique value for a certain field or combination of fields, but it finds multiple entries that match the criteria, leading to ambiguity.
  Cause:
  
  Duplicate Entries: The most common cause is that there are duplicate entries in the database for the specified field(s) that should be unique.
  Configuration Issues: Incorrect configuration in the system that allows for duplicate entries.
  Data Migration Issues: If data was migrated from another system, it may have introduced duplicates.
  Business Logic Errors: Custom code or business logic that does not enforce uniqueness properly.
  
  Solution:
  
  
  Identify Duplicates: Use transaction codes like SE16 or SE11 to query the relevant database table and identify the duplicate entries. You can use SQL queries to find duplicates based on the fields mentioned in the error message.
  
  
  Data Cleanup: Once duplicates are identified, you will need to decide how to handle them:
  
  Delete Duplicates: If duplicates are not needed, you can delete the extra entries.
  Merge Records: If the duplicates contain important information, consider merging them into a single record.
  
  
  
  Check Configuration: Review the configuration settings related to the affected area to ensure that uniqueness constraints are properly defined.
  
  
  Review Custom Code: If there is custom code involved, review it to ensure that it correctly handles uniqueness and does not allow for duplicate entries.
  
  
  Testing: After making changes, test the functionality to ensure that the error does not occur again.
  
  
  Consult Documentation: Check SAP notes and documentation for any specific guidance related to this error message.
  
  
  Related Information:
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may provide additional insights or patches related to this error.
  Transaction Codes: Familiarize yourself with transaction codes like SE16 (Data Browser), SE11 (Data Dictionary), and SE80 (Object Navigator) for data analysis and debugging.
  Community Forums: Consider checking SAP Community forums or other user groups for similar issues and solutions shared by other users.
  
  If the issue persists after following these steps, it may be beneficial to reach out to SAP support for further assistance.