How To Fix KH627 - Field &1 must be unique. Selection options are therefore not permitted

SAP Error Message - Details

• Message type: E = Error

• Message class: KH - CO-PA Reporting

• Message number: 627

• Message text: Field &1 must be unique. Selection options are therefore not permitted

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message KH627 - Field &1 must be unique. Selection options are therefore not permitted ?

  The SAP error message KH627 ("Field &1 must be unique. Selection options are therefore not permitted") typically occurs in the context of SAP reporting or data selection processes, particularly when working with characteristics in a query or report that require unique values.
  Cause:
  The error indicates that the field specified (represented by &1) is expected to have unique values, but the selection options provided do not meet this requirement. This can happen in various scenarios, such as:
  
  Duplicate Entries: The field in question has duplicate entries in the database, which violates the uniqueness constraint.
  Incorrect Field Usage: The field being used in the selection criteria is not appropriate for the operation being performed, such as using a characteristic that is not meant to be filtered or grouped.
  Configuration Issues: There may be issues with the configuration of the data model or the way the report/query is set up.
  
  Solution:
  To resolve the KH627 error, you can take the following steps:
  
  
  Check for Duplicates: Review the data in the field specified by &1 to ensure that there are no duplicate entries. You can run a query or report to identify duplicates.
  
  
  Modify Selection Criteria: If the field is not meant to be used for selection, consider removing it from the selection criteria or using a different field that allows for multiple entries.
  
  
  Review Query/Report Design: If you are working with a custom report or query, check the design to ensure that the fields used are appropriate for the intended analysis. Make sure that the fields are set up correctly in the data model.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on the field in question and its expected behavior.
  
  
  Contact Support: If the issue persists and you cannot identify the cause, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to the error message KH627.
  Transaction Codes: Familiarize yourself with relevant transaction codes (e.g., SE11 for data dictionary, SE80 for development workbench) that may help you investigate the issue further.
  Data Model: Understanding the underlying data model and relationships between fields can provide insights into why the uniqueness constraint is being violated.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.