How To Fix CNV_PE055 - Modify on table &1 failed

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_PE - General messages for posting engine

• Message number: 055

• Message text: Modify on table &1 failed

What causes this issue?

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

System Response

Additional information (if available):
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How to fix this error?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_PE055 - Modify on table &1 failed ?

  The SAP error message CNV_PE055 "Modify 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 modify a specific database table (denoted by &1) has failed, which can be due to various reasons.
  Causes:
  
  Database Locking Issues: The table may be locked by another process, preventing modifications.
  Data Integrity Constraints: There may be constraints (like foreign key constraints) that are violated by the data being modified.
  Authorization Issues: The user executing the modification may not have the necessary permissions to modify the table.
  Technical Issues: There could be underlying technical issues such as database corruption or misconfiguration.
  Incorrect Data Format: The data being inserted or updated may not conform to the expected format or data type of the table fields.
  Triggers or Procedures: There may be database triggers or stored procedures that are preventing the modification.
  
  Solutions:
  
  Check Locks: Use transaction codes like SM12 to check for locks on the table and resolve any conflicts.
  Review Data: Ensure that the data being modified adheres to all integrity constraints and is in the correct format.
  Authorization Check: Verify that the user has the necessary authorizations to perform the modification on the table.
  Database Logs: Check the database logs for any additional error messages or details that can provide insight into the failure.
  Test in Development: If possible, replicate the issue in a development environment to troubleshoot without affecting production data.
  Consult Documentation: Review SAP notes and documentation related to the specific migration or conversion process being used.
  Contact SAP Support: If the issue persists, consider reaching out to SAP support for assistance, providing them with detailed logs and error messages.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE11 (Data Dictionary), SE37 (Function Modules), and SE80 (Object Navigator) for further investigation.
  SAP Notes: Search for SAP Notes related to the error message CNV_PE055 in the SAP Support Portal for any known issues or patches.
  Migration Cockpit Documentation: Review the official SAP documentation for the Migration Cockpit or the specific tool you are using for data migration to ensure all steps are followed correctly.
  
  By systematically addressing the potential causes and applying the suggested solutions, you should be able to resolve the CNV_PE055 error effectively.