How To Fix IUUC_MAIN250 - Number range conflict: &1

SAP Error Message - Details

• Message type: E = Error

• Message class: IUUC_MAIN - IUUC: Main Message class

• Message number: 250

• Message text: Number range conflict: &1

What causes this issue?

The system has generated a unique identifier that is already in use.
This issue might occur when multiple central systems use the same source
system, or if the number range has previously been deleted or reset.

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?

Follow the instructions in SAP note 1892481 to update the number range.

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 IUUC_MAIN250 - Number range conflict: &1 ?

  The SAP error message IUUC_MAIN250, which indicates a "Number range conflict: &1," typically arises in the context of SAP's data replication or change data capture processes, particularly when using the SAP Landscape Transformation (SLT) Replication Server. This error suggests that there is an issue with the number range object that is being used for the replication process.
  Cause:
  
  Number Range Not Defined: The number range for the specific object is not defined in the system.
  Number Range Exhausted: The defined number range has been exhausted, meaning that all available numbers in the range have been used up.
  Incorrect Configuration: There may be a misconfiguration in the number range settings for the object in question.
  Authorization Issues: The user may not have the necessary authorizations to access or modify the number range.
  
  Solution:
  
  
  Check Number Range Configuration:
  
  Go to transaction code SNRO (Number Range Objects).
  Find the relevant number range object associated with the error.
  Ensure that the number range is defined and active.
  
  
  
  Adjust Number Range:
  
  If the number range is exhausted, you can extend it by adjusting the upper limit or creating a new number range.
  Make sure to maintain the number range intervals properly.
  
  
  
  Review Authorizations:
  
  Ensure that the user executing the replication has the necessary authorizations to access and modify the number range.
  
  
  
  Check SLT Configuration:
  
  Review the SLT configuration settings to ensure that the number range object is correctly assigned and configured.
  
  
  
  Consult SAP Notes:
  
  Check for any relevant SAP Notes that may address this specific error or provide additional guidance.
  
  
  
  Testing:
  
  After making the necessary adjustments, test the replication process again to ensure that the error has been resolved.
  
  
  
  Related Information:
  
  
  Transaction Codes: 
  
  SNRO for managing number ranges.
  SLT for accessing the SLT configuration.
  
  
  
  Documentation: 
  
  Refer to SAP Help documentation for detailed information on number range management and SLT configuration.
  
  
  
  SAP Community: 
  
  Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  
  
  
  If the problem persists after following these steps, it may be beneficial to consult with your SAP Basis or technical team for further investigation.