How To Fix NR666 - Error in structure of group table, cannot be copied

SAP Error Message - Details

• Message type: E = Error

• Message class: NR - Number ranges

• Message number: 666

• Message text: Error in structure of group table, cannot be copied

What causes this issue?

When copying the number range intervals from &V1& &V2& to &V3&, an
error was detected in the structure of &V4&. This error points to an
inconsistency between the intervals and the group table. Such
inconsistencies occur if number range numbers are entered in the group
table directly instead of with number range maintenance.

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?

The system administrator should do the following:
Compare the number range numbers in the group table with those in table
NRIV for the object/subobject and, if necessary, delete the numbers
from the group table.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message NR666 - Error in structure of group table, cannot be copied ?

  The SAP error message NR666, which states "Error in structure of group table, cannot be copied," typically occurs in the context of number range management. This error indicates that there is an issue with the configuration of number ranges, particularly when trying to copy or modify a number range group.
  Causes:
  
  Inconsistent Number Range Group: The structure of the number range group may be inconsistent or corrupted.
  Missing Entries: Required entries in the number range table may be missing or incorrectly defined.
  Incorrect Configuration: The number range group may not be properly configured, leading to structural issues.
  Transport Issues: If the number range configuration was transported from another system, there may have been issues during the transport process.
  
  Solutions:
  
  
  Check Number Range Configuration:
  
  Go to transaction code SNRO (Number Range Objects).
  Verify the configuration of the number range object associated with the group in question.
  Ensure that all required entries are present and correctly defined.
  
  
  
  Recreate the Number Range Group:
  
  If the group is corrupted, consider recreating it. This involves deleting the existing group and creating a new one with the same parameters.
  Make sure to back up any necessary data before deletion.
  
  
  
  Check for Transport Issues:
  
  If the error occurred after a transport, check the transport logs for any errors or warnings related to number range objects.
  If necessary, re-transport the number range configuration.
  
  
  
  Use Transaction SNUM:
  
  Use transaction SNUM to check the number range objects and their statuses. This can help identify any inconsistencies.
  
  
  
  Consult SAP Notes:
  
  Search for relevant SAP Notes in the SAP Support Portal that may address this specific error. There may be patches or updates that resolve known issues.
  
  
  
  Debugging:
  
  If you have access to development tools, you can debug the program that is generating the error to identify the exact point of failure.
  
  
  
  Related Information:
  
  Documentation: Review SAP documentation on number range management for a better understanding of how number ranges are structured and managed.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  Support: If the issue persists, consider reaching out to SAP Support for assistance, especially if it is impacting business operations.
  
  By following these steps, you should be able to identify and resolve the NR666 error in your SAP system.