How To Fix CNV_20900075 - The scenario is N:1 merge of vendor numbers

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_20900 - Message class for package CNV_20900

• Message number: 075

• Message text: The scenario is N:1 merge of vendor numbers

What causes this issue?

It was found that your mapping includes at least one merge of vendor
records.

System Response

The current package does not support vendor record merges.

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_20900075 - The scenario is N:1 merge of vendor numbers ?

  The SAP error message CNV_20900075 typically occurs during data migration or conversion processes, particularly when merging vendor numbers in a scenario where multiple vendor records are being consolidated into a single vendor record (N:1 merge). This error indicates that there are issues with the data being processed, which can arise from various causes.
  Causes of the Error
  
  
  Data Inconsistencies: The vendor records being merged may have inconsistent or conflicting data, such as different addresses, payment terms, or other attributes that cannot be reconciled.
  
  
  Missing Required Fields: If the target vendor record requires certain fields to be populated and those fields are missing in the source records, the merge process will fail.
  
  
  Duplicate Entries: If there are duplicate entries in the source data that do not meet the criteria for merging, this can lead to errors.
  
  
  Configuration Issues: There may be configuration settings in the SAP system that are not aligned with the merging process, such as validation rules or data integrity constraints.
  
  
  Authorization Issues: The user executing the merge may not have the necessary permissions to perform the operation.
  
  
  Solutions
  
  
  Data Cleansing: Review and clean the source vendor data to ensure that there are no inconsistencies or conflicts. This may involve standardizing addresses, payment terms, and other relevant fields.
  
  
  Ensure Required Fields are Populated: Check that all required fields in the target vendor record are populated with valid data before attempting the merge.
  
  
  Review Merge Criteria: Ensure that the criteria for merging vendor records are clearly defined and that the source data meets these criteria.
  
  
  Check for Duplicates: Identify and resolve any duplicate entries in the source data that may be causing the error.
  
  
  Configuration Review: Review the configuration settings in the SAP system related to vendor data management and ensure they are appropriate for the merge operation.
  
  
  User Authorization: Verify that the user executing the merge has the necessary authorizations to perform the operation.
  
  
  Consult Documentation: Refer to SAP documentation or notes related to the CNV_20900075 error for any specific guidance or patches that may address the issue.
  
  
  Testing: Before executing the merge in a production environment, conduct tests in a development or quality assurance environment to identify and resolve any issues.
  
  
  Related Information
  
  SAP Notes: Check for any relevant SAP Notes that may provide additional insights or solutions for this specific error message.
  Data Migration Tools: If you are using SAP's data migration tools (like LSMW or SAP S/4HANA Migration Cockpit), ensure that you are following the recommended procedures and guidelines.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By addressing the underlying causes and following the suggested solutions, you should be able to resolve the CNV_20900075 error and successfully complete the vendor number merge process.