How To Fix CNV_PE054 - Update on table &1 failed

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_PE - General messages for posting engine

• Message number: 054

• Message text: Update on table &1 failed

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_PE054 - Update on table &1 failed ?

  The SAP error message CNV_PE054, which indicates that an update on table &1 failed, is typically associated with data migration or conversion processes, particularly when using the SAP Landscape Transformation (SLT) or SAP Data Services tools. This error can occur for various reasons, including data integrity issues, constraints violations, or system resource limitations.
  Causes:
  
  Data Integrity Issues: The data being migrated may violate referential integrity constraints or other business rules defined in the target system.
  Locking Issues: The table may be locked by another process, preventing the update from being executed.
  Insufficient Authorizations: The user executing the migration may not have the necessary permissions to update the specified table.
  Data Type Mismatches: There may be discrepancies between the source and target data types, leading to conversion errors.
  Database Constraints: Unique constraints, foreign key constraints, or check constraints on the target table may be violated by the incoming data.
  System Resource Limitations: Insufficient memory or disk space can lead to failures during the update process.
  
  Solutions:
  
  Check Data Integrity: Review the data being migrated to ensure it adheres to the integrity constraints of the target table. Correct any violations before attempting the update again.
  Release Locks: If the table is locked, identify the process holding the lock and either wait for it to complete or terminate it if appropriate.
  Verify Authorizations: Ensure that the user executing the migration has the necessary authorizations to perform updates on the specified table.
  Data Type Validation: Check the data types in both the source and target systems to ensure compatibility. Adjust the data as necessary to match the expected formats.
  Review Constraints: Examine the constraints on the target table and ensure that the incoming data does not violate any of these constraints. Adjust the data or constraints as needed.
  Monitor System Resources: Check the system's memory and disk space. If resources are low, consider freeing up space or increasing system resources.
  
  Related Information:
  
  Transaction Codes: You may use transaction codes like SE11 (Data Dictionary) to check the structure of the table and its constraints, or SM37 (Job Monitoring) to check for any background jobs that may be causing locks.
  Logs and Traces: Review the logs generated during the migration process for more detailed error messages that can provide additional context on the failure.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP Basis or technical team for further investigation.