How To Fix CNV_PE_IF003 - The interface for reference &1 is not unique

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_PE_IF - Messages for interface and interface mapping handling

• Message number: 003

• Message text: The interface for reference &1 is not unique

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_PE_IF003 - The interface for reference &1 is not unique ?

  The SAP error message CNV_PE_IF003 indicates that there is a problem with the uniqueness of the interface reference in the context of a data migration or conversion process. This error typically arises when the system encounters multiple entries for a reference that should be unique, leading to ambiguity in processing.
  Cause:
  
  Duplicate Entries: The most common cause of this error is the presence of duplicate entries in the interface reference table. This can happen if the data being migrated or converted has not been properly cleansed or if there are multiple records that match the criteria for a unique reference.
  Configuration Issues: There may be issues in the configuration of the data migration tool or the specific interface being used, leading to conflicts in how references are defined.
  Data Integrity Issues: The source data may have integrity issues, such as missing keys or incorrect relationships, which can lead to multiple references being interpreted as valid.
  
  Solution:
  
  Check for Duplicates: Review the data in the relevant tables or structures to identify any duplicate entries for the interface reference. You can use SQL queries or SAP transaction codes to analyze the data.
  Data Cleansing: If duplicates are found, you will need to cleanse the data to ensure that each reference is unique. This may involve merging records, deleting duplicates, or correcting data entries.
  Review Configuration: Check the configuration settings for the data migration tool or interface. Ensure that the settings are correctly defined to avoid conflicts.
  Consult Documentation: Refer to the SAP documentation or notes related to the specific migration tool or interface you are using. There may be specific guidelines or best practices to follow.
  Testing: After making changes, conduct tests to ensure that the error does not reoccur and that the data migration or conversion process can proceed without issues.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Transaction Codes: Familiarize yourself with transaction codes related to data migration, such as LSMW (Legacy System Migration Workbench) or other tools you may be using.
  Community Forums: Engage with SAP community forums or support channels where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to resolve the CNV_PE_IF003 error and ensure a smooth data migration or conversion process.