How To Fix CNV20551140 - VBELN=&1 occurs in more than one header table (example: &2)

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV20551 - message for package 20551 (company code delete)

• Message number: 140

• Message text: VBELN=&1 occurs in more than one header table (example: &2)

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV20551140 - VBELN=&1 occurs in more than one header table (example: &2) ?

  The SAP error message CNV20551140 indicates that a specific sales document number (VBELN) is found in more than one header table during a data migration or conversion process. This typically occurs in the context of SAP's data migration tools, such as the SAP S/4HANA Migration Cockpit or other data transfer methods.
  Cause:
  The error arises when the same sales document number (VBELN) is present in multiple header tables. In SAP, sales documents can be stored in different tables based on their type (e.g., sales orders, deliveries, billing documents). If the same document number is found in more than one of these tables, it can lead to conflicts during data migration, as the system expects each document number to be unique across the relevant tables.
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Identify the Tables: Determine which header tables contain the duplicate VBELN. The error message will typically provide the names of the tables involved.
  
  
  Analyze the Data: Review the data in the identified tables to understand why the same VBELN exists in multiple places. This could be due to:
  
  Data entry errors.
  Incorrect data extraction from legacy systems.
  Overlapping data from different sources.
  
  
  
  Data Cleansing: Depending on your analysis, you may need to:
  
  Remove duplicates: If the duplicates are not needed, you can delete or archive the unnecessary records.
  Consolidate data: If both records are needed, consider merging them into a single record that captures all relevant information.
  
  
  
  Adjust Migration Logic: If the duplicates are valid and should coexist, you may need to adjust your migration logic to handle these cases appropriately. This could involve:
  
  Modifying the mapping rules in your migration tool.
  Creating a custom transformation to ensure that the data is migrated correctly.
  
  
  
  Testing: After making the necessary adjustments, perform a test migration to ensure that the error is resolved and that the data integrity is maintained.
  
  
  Documentation: Document the changes made and the rationale behind them for future reference and to assist other team members.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes or Knowledge Base Articles that may provide additional insights or solutions for this specific error.
  Data Migration Best Practices: Familiarize yourself with best practices for data migration in SAP, including data validation, cleansing, and transformation techniques.
  Consult SAP Community: Engage with the SAP Community or forums for additional support and to see if others have encountered and resolved similar issues.
  
  By following these steps, you should be able to address the CNV20551140 error and successfully complete your data migration process.