How To Fix CNV_20900142 - Mapping not maintained for old vendor number : &1

CNV_20900142 - Overview

• Message type: E = Error

• Message class: CNV_20900 - Message class for package CNV_20900

• Message number: 142

• Message text: Mapping not maintained for old vendor number : &1

Self-Explanatory Message

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CNV_20900142 - Details

• The SAP error message CNV_20900142 indicates that there is a mapping issue related to an old vendor number in the context of a data migration or conversion process. This error typically arises during the migration of vendor data from one system to another, especially when using SAP's data migration tools or during a system upgrade.
  
  Cause:
  The error occurs when the system encounters an old vendor number for which there is no corresponding mapping defined in the migration settings. This can happen due to several reasons:
  
  Missing Mapping Entries: The mapping table that links old vendor numbers to new vendor numbers is incomplete or missing entries for certain vendors.
  Data Inconsistencies: The old vendor number may not exist in the source data or may have been incorrectly entered.
  
  Configuration Issues: The migration configuration may not have been set up correctly to handle the specific vendor numbers being processed.
  
  
  Solution:
  To resolve the error CNV_20900142, you can take