How To Fix CNV_PE_S4045 - Duplicate Object ID for LOIO

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_PE_S4 - Messages for Posting Engine S/4 Content

• Message number: 045

• Message text: Duplicate Object ID for LOIO

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_PE_S4045 - Duplicate Object ID for LOIO ?

  The SAP error message CNV_PE_S4045 indicates that there is a duplicate Object ID for a Logical Object Identifier (LOIO) during a data migration or conversion process. This error typically arises in the context of SAP's data migration tools, such as the SAP S/4HANA Migration Cockpit or other data transfer processes.
  Cause:
  The error occurs when the system detects that two or more entries are trying to use the same Object ID. This can happen due to:
  
  Duplicate entries in the source data.
  Incorrect mapping of data during the migration process.
  Issues with the data extraction process that lead to the same Object ID being generated for different records.
  
  Solution:
  To resolve the CNV_PE_S4045 error, you can follow these steps:
  
  
  Identify Duplicates:
  
  Review the source data to identify any duplicate entries that may be causing the conflict. You can use SQL queries or data analysis tools to find duplicates based on the Object ID.
  
  
  
  Data Cleansing:
  
  Clean the source data to remove or consolidate duplicate entries. Ensure that each Object ID is unique before proceeding with the migration.
  
  
  
  Check Mapping:
  
  Verify the mapping configuration in the migration tool. Ensure that the Object IDs are correctly mapped and that there are no overlaps in the mapping logic.
  
  
  
  Adjust Migration Settings:
  
  If applicable, adjust the settings in the migration tool to handle duplicates. Some tools may have options to skip duplicates or merge records.
  
  
  
  Re-run the Migration:
  
  After making the necessary adjustments, re-run the migration process to see if the error persists.
  
  
  
  Consult Documentation:
  
  Refer to the SAP documentation or notes related to the specific migration tool you are using for any additional troubleshooting steps or best practices.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may provide additional insights or patches related to this error.
  Migration Cockpit: Familiarize yourself with the SAP S/4HANA Migration Cockpit and its functionalities, as it may have specific features for handling data inconsistencies.
  Data Quality Tools: Consider using data quality tools to assess and improve the quality of your source data before migration.
  
  If the issue persists after following these steps, it may be beneficial to engage with SAP support or consult with a technical expert who specializes in SAP data migration.