How To Fix CNV_20100003 - Error during update/modify to table &1

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_20100 - Messageclass for chart of account conversion

• Message number: 003

• Message text: Error during update/modify to table &1

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_20100003 - Error during update/modify to table &1 ?

  The SAP error message CNV_20100003 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 an issue while trying to update or modify a specific database table (denoted by &1 in the error message).
  Cause:
  
  Data Integrity Issues: The data being migrated may violate constraints or rules defined in the target table, such as primary key violations, foreign key constraints, or unique constraints.
  Data Type Mismatches: The data types of the source and target fields may not match, leading to conversion errors.
  Missing Required Fields: Required fields in the target table may not be populated with data from the source.
  Locking Issues: The target table may be locked by another process, preventing updates.
  Custom Logic or Enhancements: Custom code or enhancements in the target system may interfere with the standard data migration process.
  
  Solution:
  
  Check Data Integrity: Review the data being migrated to ensure it adheres to the constraints of the target table. Look for duplicates, null values in required fields, and ensure that foreign key relationships are maintained.
  Data Mapping: Verify that the data types and lengths in the source match those in the target. Adjust the mapping if necessary.
  Review Required Fields: Ensure that all required fields in the target table are being populated correctly during the migration.
  Check for Locks: Use transaction codes like SM12 to check for locks on the target table and resolve any conflicts.
  Debugging: If custom logic is involved, consider debugging the migration process to identify where the error occurs. You may need to adjust the custom code or enhance the migration logic.
  Logs and Traces: Check the logs and traces generated during the migration process for more detailed error messages that can provide insights into the specific issue.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes like SE11 (Data Dictionary), SE37 (Function Modules), and ST22 (Dump Analysis) to analyze the issue further.
  SAP Notes: Search for relevant SAP Notes that may address this specific error or provide guidance on data migration issues.
  Migration Tools: Review the documentation for the specific migration tool you are using (e.g., SAP S/4HANA Migration Cockpit) for best practices and troubleshooting tips.
  
  If the issue persists after following these steps, consider reaching out to SAP support for further assistance, providing them with detailed information about the error and the context in which it occurred.