How To Fix CNV_NCE_BAS163 - Predefined pattern for conversion function module not found

CNV_NCE_BAS163 - Overview

• Message type: E = Error

• Message class: CNV_NCE_BAS - Number conversion engine: messages

• Message number: 163

• Message text: Predefined pattern for conversion function module not found

Self-Explanatory Message

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To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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CNV_NCE_BAS163 - Details

• The SAP error message CNV_NCE_BAS163 indicates that a predefined pattern for a conversion function module is not found. This error typically arises during data migration or conversion processes, particularly when using SAP's Data Migration tools or the SAP S/4HANA Migration Cockpit.
  
  Cause:
  
  
  Missing Function Module: The specific conversion function module that is expected to handle the data transformation is not available in the system. This could be due to:
  
  The function module not being activated.
  The function module not being created or installed.
  A mismatch in the version of the software or the migration tool being used.
  
  
  
  
  Configuration Issues: There may be configuration issues in the migration settings that prevent the system from locating the required function module.
  
  
  Transport Issues: If the system is newly set up or has recently undergone a transport, the necessary components may not have been transported correctly.
  
  
  
  Solution:
  
  
  Check for Function Module: 
  
  Go to transaction SE37 (Function Builder) and check if the required function