How To Fix CNV_PE056 - Insert on table &1 failed

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_PE - General messages for posting engine

• Message number: 056

• Message text: Insert 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_PE056 - Insert on table &1 failed ?

  The SAP error message CNV_PE056 "Insert on 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 an attempt to insert data into a specific database table (denoted by &1) has failed.
  Causes:
  
  Data Integrity Issues: The data being inserted may violate constraints such as primary keys, foreign keys, or unique constraints.
  Missing Required Fields: The insert operation may be missing mandatory fields that are required by the target table.
  Data Type Mismatch: The data types of the fields being inserted may not match the expected data types in the target table.
  Database Locking: The target table may be locked by another transaction, preventing the insert operation from completing.
  Insufficient Authorizations: The user executing the migration may not have the necessary authorizations to perform the insert operation.
  Technical Issues: There may be underlying technical issues such as database connectivity problems or issues with the migration tool itself.
  
  Solutions:
  
  Check Data Integrity: Review the data being inserted to ensure it adheres to all constraints and requirements of the target table.
  Validate Required Fields: Ensure that all mandatory fields are included in the data being migrated.
  Data Type Verification: Confirm that the data types of the fields match those expected by the target table.
  Check for Locks: Use transaction codes like SM12 to check for locks on the target table and resolve any conflicts.
  Review Authorizations: Ensure that the user has the necessary authorizations to perform the insert operation.
  Error Logs: Check the error logs for more detailed information about the failure. This can often provide insights into what went wrong.
  Test with Smaller Data Sets: If possible, try inserting a smaller subset of data to isolate the issue.
  Consult SAP Notes: Look for relevant SAP Notes that may address this specific error or provide guidance on similar issues.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes like SE11 (Data Dictionary), SE16 (Data Browser), and SM37 (Job Monitoring) to analyze the data and job logs.
  SAP Documentation: Refer to SAP Help Portal and documentation related to data migration and the specific tools being used.
  Community Forums: Engage with SAP community forums or support channels for additional insights and shared experiences from other users.
  
  If the issue persists after trying the above solutions, it may be beneficial to engage SAP support for further assistance.