How To Fix CNV_OM_PRESEL146 - Writing into table &1 failed

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_OM_PRESEL - Messages for LT Object Based Preselection

• Message number: 146

• Message text: Writing into table &1 failed

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_OM_PRESEL146 - Writing into table &1 failed ?

  The SAP error message CNV_OM_PRESEL146 Writing into table &1 failed typically occurs during data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or other data migration tools. This error indicates that there was a failure when attempting to write data into a specific database table (denoted by &1).
  Possible Causes:
  
  Database Locking Issues: The table may be locked by another process, preventing the write operation.
  Data Integrity Violations: The data being written may violate constraints such as primary keys, foreign keys, or unique constraints.
  Insufficient Authorizations: The user executing the migration may not have the necessary permissions to write to the specified table.
  Incorrect Data Format: The data being migrated may not conform to the expected format or data types defined in the target table.
  Technical Issues: There may be underlying technical issues with the database or the SAP system itself, such as connectivity problems or database corruption.
  
  Solutions:
  
  Check Database Locks: Use transaction codes like SM12 to check for locks on the table and resolve any conflicts.
  Review Data: Validate the data being migrated to ensure it adheres to the constraints and formats required by the target table.
  Check Authorizations: Ensure that the user has the necessary authorizations to perform write operations on the specified table.
  Error Logs: Review the application logs (transaction SLG1) for more detailed error messages that can provide insights into the specific issue.
  Database Consistency: Run consistency checks on the database to ensure there are no underlying issues affecting the write operation.
  Retry the Operation: After addressing any identified issues, retry the migration or data write operation.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE11 (Data Dictionary), SE16 (Data Browser), and SLG1 (Application Log) for troubleshooting.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional guidance.
  Documentation: Review the official SAP documentation for the migration tool you are using, as it may contain specific troubleshooting steps for common errors.
  
  If the issue persists after trying the above solutions, consider reaching out to SAP support for further assistance, providing them with detailed logs and error messages for a more accurate diagnosis.