How To Fix CNV_NCE_BAS427 - Duplicate mapping values for number range intervals found

CNV_NCE_BAS427 - Overview

• Message type: E = Error

• Message class: CNV_NCE_BAS - Number conversion engine: messages

• Message number: 427

• Message text: Duplicate mapping values for number range intervals found

What causes this issue?

Duplicate mapping values found for number range interval ( OBJECT = &V1&
/ SUBOBJECT = &V2& / NRRANGENR = &V3& / TOYEAR = &V4& ).

System Response

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

How to fix this error?

Return to the <ZK>Mapping Values for Number Range Intervals</> tab page,
and enter the required data.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

CNV_NCE_BAS427 - Details

• The SAP error message CNV_NCE_BAS427 indicates that there are duplicate mapping values for number range intervals found during a data conversion or migration process. This typically occurs in the context of using the SAP Conversion Tools, particularly when mapping data from one system to another or when setting up number ranges for various objects.
  
  Cause:
  The error is caused by having overlapping or duplicate entries in the number range mapping configuration. This can happen if:
  
  Two or more entries in the mapping table have the same number range defined for the same object.
  The intervals defined for the number ranges overlap, leading to ambiguity in which number range should be used for a given object.
  
  
  Solution:
  To resolve this error, you can follow these steps:
  
  
  Identify Duplicate Entries:
  
  Check the mapping configuration for number ranges. Look for entries that have the same number range or overlapping intervals.
  You can use transaction codes like SE11 (Data Dictionary) or SE16 (Data