How To Fix CNV_NCE_BAS249 - Number range interval levels will not be adjusted

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_NCE_BAS - Number conversion engine: messages

• Message number: 249

• Message text: Number range interval levels will not be adjusted

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

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.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_NCE_BAS249 - Number range interval levels will not be adjusted ?

  The SAP error message CNV_NCE_BAS249 indicates that there is an issue with the number range interval levels during a data conversion or migration process. This error typically arises in the context of SAP's data migration tools, particularly when using the SAP S/4HANA Migration Cockpit or other conversion tools.
  Cause:
  The error can occur due to several reasons, including:
  
  Inconsistent Number Range Configuration: The number range intervals for the object being processed may not be properly defined or may conflict with existing intervals.
  Missing Authorizations: The user executing the migration may not have the necessary authorizations to adjust number ranges.
  Technical Issues: There may be underlying technical issues in the system, such as database inconsistencies or configuration errors.
  Custom Development: If there are custom developments or modifications in the number range handling, it may lead to conflicts during the migration process.
  
  Solution:
  To resolve the CNV_NCE_BAS249 error, you can take the following steps:
  
  
  Check Number Range Configuration:
  
  Go to the transaction code SNRO (Number Range Objects) and verify the configuration of the number range object related to the error.
  Ensure that the number range intervals are correctly defined and do not overlap with existing intervals.
  
  
  
  Review Authorizations:
  
  Ensure that the user executing the migration has the necessary authorizations to modify number ranges. You may need to consult with your SAP security team.
  
  
  
  Check for Custom Code:
  
  If there are any custom developments related to number range handling, review them to ensure they are compatible with the migration process.
  
  
  
  Consult SAP Notes:
  
  Check the SAP Support Portal for any relevant SAP Notes that may address this specific error. There may be patches or updates that resolve known issues.
  
  
  
  Run Consistency Checks:
  
  Use transaction codes like SE11 or SE14 to check for inconsistencies in the database related to the number range objects.
  
  
  
  Contact SAP Support:
  
  If the issue persists after performing the above checks, consider reaching out to SAP Support for further assistance. Provide them with detailed information about the error and the context in which it occurred.
  
  
  
  Related Information:
  
  Transaction Codes: 
  
  SNRO: Number Range Objects
  SE11: Data Dictionary
  SE14: Database Utility
  
  
  SAP Notes: Always check for the latest SAP Notes related to data migration and number range handling.
  Documentation: Review the official SAP documentation for the migration tool you are using, as it may provide specific guidelines and troubleshooting steps.
  
  By following these steps, you should be able to identify and resolve the issue causing the CNV_NCE_BAS249 error.