How To Fix CNVA_20201_CHECK016 - Critical number range objects found; contact SAP for support

SAP Error Message - Details

• Message type: E = Error

• Message class: CNVA_20201_CHECK - Number range object analysis

• Message number: 016

• Message text: Critical number range objects found; contact SAP for support

Critical number range objects found. Please contact SAP for support by
creating a ticket using component CA-LT-CNV.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CNVA_20201_CHECK016 - Critical number range objects found; contact SAP for support ?

  The SAP error message CNVA_20201_CHECK016 indicates that there are critical number range objects found during a system check, which may affect the system's functionality. This error typically arises during system migrations, upgrades, or when performing system checks related to number ranges.
  Cause:
  The error is usually caused by one or more of the following issues:
  
  Inconsistent Number Ranges: There may be inconsistencies in the number range objects that are defined in the system.
  Missing Number Ranges: Some number ranges that are expected to be present may be missing or not properly configured.
  Custom Developments: Custom developments or modifications may have introduced issues with number range management.
  Data Migration Issues: If you are migrating data from one system to another, there may be issues with how number ranges are handled in the migration process.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Number Range Objects:
  
  Use transaction code SNRO to check the number range objects in your system. Look for any inconsistencies or missing entries.
  Ensure that all required number ranges are defined and active.
  
  
  
  Review Custom Code:
  
  If there are custom developments, review the code to ensure that it is correctly handling number ranges.
  Check for any modifications that may have affected the standard number range behavior.
  
  
  
  Consult SAP Notes:
  
  Search for relevant SAP Notes that may address this specific error. SAP frequently releases notes that provide solutions or workarounds for known issues.
  Use transaction code SNOTE to apply any relevant notes.
  
  
  
  Contact SAP Support:
  
  If the issue persists after checking the number ranges and applying any relevant notes, it is advisable to contact SAP Support for further assistance.
  Provide them with detailed information about the error, including any logs or screenshots that may help in diagnosing the issue.
  
  
  
  Backup and Test:
  
  Before making any changes, ensure that you have a complete backup of your system.
  If possible, test any changes in a development or quality assurance environment before applying them to the production system.
  
  
  
  Related Information:
  
  Number Range Management: Understanding how number ranges work in SAP is crucial. Familiarize yourself with the concepts of number range intervals, object types, and how they are used in various modules.
  SAP Documentation: Refer to the official SAP documentation for detailed information on number range management and troubleshooting.
  Community Forums: Engage with the SAP community through forums like SAP Community or Stack Overflow, where you can find discussions related to similar issues.
  
  By following these steps, you should be able to identify and resolve the underlying issues causing the CNVA_20201_CHECK016 error.