How To Fix CNV20201012 - Target number range with same toyear missing: &1, &2, &3, &4

CNV20201012 - Overview

• Message type: E = Error

• Message class: CNV20201 -

• Message number: 012

• Message text: Target number range with same toyear missing: &1, &2, &3, &4

What causes this issue?

Target number range with the same toyear missing for following source
number range:
Object: &V1&
Subobject: &V2&
No.: &V3&
Toyear: &V4&

System Response

Warning.
For the given source number range is shifting rule possible. However,
duplicate records cannot be excluded.
The subobject of this source number range (in table NRIV) is converted.
For this new number range, no update of number levels is executed after
the conversion.

How to fix this error?

It is adviced to create this missing number range for the reference
subobject and afterwards execute this activity again.

Error message extract from SAP system. Copyright SAP SE.

CNV20201012 - Details

• The SAP error message CNV20201012 typically occurs during data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. This error indicates that there is a problem with the target number range configuration for the data being migrated.
  
  Cause:
  The error message "Target number range with same toyear missing" suggests that the system is unable to find a defined target number range for the specified year(s) in the migration process. This can happen due to several reasons:
  
  Missing Configuration: The target number range for the specified year is not defined in the system.
  Incorrect Mapping: The mapping between the source and target data may not be correctly set up, leading to the system not being able to find the appropriate number range.
  Data Inconsistencies: There may be inconsistencies in the data being migrated that do not align with the defined number ranges.
  
  
  Solution:
  To resolve this error, you can take the following