How To Fix CNV_NCE_BAS182 - New numbers without mapping values are found (number &1)

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_NCE_BAS - Number conversion engine: messages

• Message number: 182

• Message text: New numbers without mapping values are found (number &1)

What causes this issue?

The system has detected new numbers that do not belong to any of the
existing number range intervals. These numbers did not exist in the
database when you executed the activity <ZK>Initialize Mapping Values
for Number Range Objects</>. Therefore the system did not generate any
mapping values for these numbers.

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?

Execute the activity <ZK>Initialize Mapping Values for Number Range
Objects</> again.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_NCE_BAS182 - New numbers without mapping values are found (number &1) ?

  The SAP error message CNV_NCE_BAS182 indicates that during a data conversion or migration process, new numbers (or values) have been found that do not have corresponding mapping values in the system. This typically occurs in the context of data migration projects, especially when using SAP's Conversion Tools or during the execution of a data migration program.
  Cause:
  
  Missing Mapping Entries: The primary cause of this error is that the system has encountered new numbers or values that were not included in the mapping table. This can happen if the source data contains values that were not anticipated or if the mapping was not fully defined.
  Data Quality Issues: There may be inconsistencies or unexpected values in the source data that were not accounted for during the mapping process.
  Configuration Errors: Incorrect configuration of the migration tool or process can lead to this error, especially if the mapping logic is not set up correctly.
  
  Solution:
  
  Review Mapping Tables: Check the mapping tables used in the migration process to ensure that all necessary values from the source data are included. Add any missing mappings for the new numbers identified in the error message.
  Data Cleansing: Perform data cleansing on the source data to ensure that it conforms to the expected format and values. This may involve removing duplicates, correcting errors, or standardizing values.
  Update Migration Logic: If the mapping logic is incorrect or incomplete, update it to handle the new numbers appropriately. This may involve modifying the transformation rules or adding new conditions.
  Testing: After making changes, re-run the migration process in a test environment to ensure that the error is resolved and that the data is being mapped correctly.
  Consult Documentation: Refer to SAP documentation or notes related to the specific migration tool you are using for any additional guidance or best practices.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional context on handling mapping issues.
  Migration Tools: Familiarize yourself with the specific SAP migration tools being used (e.g., SAP S/4HANA Migration Cockpit, SAP Data Services) as they may have specific features or settings that can help resolve mapping issues.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By addressing the mapping issues and ensuring that all necessary values are accounted for, you should be able to resolve the CNV_NCE_BAS182 error and proceed with your data migration successfully.