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

SAP Error Message - Details

• 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.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV20201012 - Target number range with same toyear missing: &1, &2, &3, &4 ?

  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 steps:
  
  
  Check Number Range Configuration:
  
  Go to the transaction code SNRO (Number Range Objects) in SAP.
  Check the number range object related to the data you are migrating.
  Ensure that the number ranges for the specified years are correctly defined and active.
  
  
  
  Define Missing Number Ranges:
  
  If the required number range is missing, you will need to create it. This can be done in the same SNRO transaction by defining a new number range for the relevant object.
  
  
  
  Review Migration Settings:
  
  Check the migration settings in the Migration Cockpit or the relevant tool you are using.
  Ensure that the mapping between source and target data is correctly configured.
  
  
  
  Data Validation:
  
  Validate the data being migrated to ensure there are no inconsistencies or errors that could lead to this issue.
  
  
  
  Consult Documentation:
  
  Refer to the SAP documentation or notes related to the specific migration process you are using. There may be specific instructions or prerequisites that need to be followed.
  
  
  
  Seek Help from SAP Support:
  
  If the issue persists after checking the above points, consider reaching out to SAP Support for further assistance. They may provide additional insights or patches if this is a known issue.
  
  
  
  Related Information:
  
  Transaction Codes: SNRO (Number Range Objects), SNOTE (SAP Notes), and the Migration Cockpit.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide guidance on number range configuration.
  Documentation: Review the SAP Help Portal for detailed information on data migration and number range management.
  
  By following these steps, you should be able to identify and resolve the cause of the CNV20201012 error in your SAP system.