How To Fix CNV_20800038 - No N:1 conversion. No method of duplicate table keys indicators were set

CNV_20800038 - Overview

• Message type: E = Error

• Message class: CNV_20800 - Message class for CNV_20800

• Message number: 038

• Message text: No N:1 conversion. No method of duplicate table keys indicators were set

Self-Explanatory Message

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CNV_20800038 - Details

• The SAP error message CNV_20800038 indicates that there is an issue with the conversion process in the SAP system, specifically related to the handling of duplicate keys in a table during a data migration or conversion scenario. This error typically arises in the context of SAP's data migration tools, such as the SAP S/4HANA Migration Cockpit or other data conversion tools.
  
  Cause:
  The error message "No N:1 conversion. No method of duplicate table keys indicators were set" suggests that the system encountered a situation where it expected to perform a one-to-many (N:1) conversion, but it could not find a suitable method to handle duplicate keys in the source data. This can happen due to:
  
  Duplicate Entries: The source data contains duplicate entries for a key that should be unique, and the conversion process does not know how to handle these duplicates.
  
  Configuration Issues: The conversion settings or configuration may not have been properly defined