How To Fix CNV_20900152 - Following vendors not involved in mapping

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_20900 - Message class for package CNV_20900

• Message number: 152

• Message text: Following vendors not involved in mapping

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_20900152 - Following vendors not involved in mapping ?

  The SAP error message CNV_20900152 indicates that certain vendors are not involved in the mapping process during a data migration or conversion activity, typically related to the SAP S/4HANA migration or other data transformation projects. This error is part of the SAP Conversion and Migration tools, which are used to facilitate the transition of data from legacy systems to SAP systems.
  Cause:
  
  Missing Mapping Entries: The vendors in question may not have corresponding entries in the mapping table that is used to translate legacy vendor data into the new system.
  Incorrect Configuration: The mapping configuration may not have been set up correctly, leading to the exclusion of certain vendors.
  Data Quality Issues: There may be issues with the data quality of the vendor records, such as missing or incorrect identifiers that prevent them from being matched.
  Vendor Status: The vendors may be inactive or not properly set up in the source system, leading to their exclusion from the mapping process.
  
  Solution:
  
  Check Mapping Configuration: Review the mapping configuration to ensure that all necessary vendors are included. You may need to add missing entries for the vendors that are not being mapped.
  Data Validation: Validate the vendor data in the source system to ensure that all required fields are populated correctly. Look for any discrepancies or missing information that could prevent mapping.
  Update Vendor Records: If certain vendors are inactive or not set up correctly, update their records in the source system to ensure they can be included in the mapping process.
  Run Mapping Program: If you have made changes to the mapping or vendor data, rerun the mapping program to see if the issue is resolved.
  Consult Documentation: Refer to the SAP documentation related to the specific migration or conversion tool you are using for additional guidance on mapping vendors.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Transaction Codes: Familiarize yourself with transaction codes related to data migration, such as LTMC (Legacy Transfer Migration Cockpit) or S/4HANA Migration Cockpit.
  Community Forums: Engage with the SAP Community or forums where other users may have encountered similar issues and can provide insights or solutions.
  SAP Support: If the issue persists, consider reaching out to SAP Support for assistance, providing them with detailed information about the error and the steps you have taken to resolve it.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to ensure that all relevant vendors are included in the mapping process.