How To Fix ECM544 - Error in external number assignment for change task

SAP Error Message - Details

• Message type: E = Error

• Message class: ECM - General Messages for Engineering Change Management

• Message number: 544

• Message text: Error in external number assignment for change task

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message ECM544 - Error in external number assignment for change task ?

  The SAP error message ECM544, which states "Error in external number assignment for change task," typically occurs in the context of change management and transport requests in SAP systems. This error indicates that there is an issue with the external number assignment for a change task, which can prevent the successful creation or processing of change requests.
  Causes:
  
  
  Number Range Issues: The most common cause is that the number range for change tasks is either not defined or has been exhausted. This can happen if the number range is not properly configured in the system.
  
  
  Authorization Issues: The user may not have the necessary authorizations to create or assign numbers to change tasks.
  
  
  Configuration Errors: There may be configuration errors in the transport management system (TMS) or in the change management settings.
  
  
  System Errors: Temporary system issues or inconsistencies in the database can also lead to this error.
  
  
  Solutions:
  
  
  Check Number Range Configuration:
  
  Go to transaction code SNRO (Number Range Objects).
  Look for the number range object related to change tasks (usually E070 for transport requests).
  Ensure that the number range is defined and that there are available numbers in the range.
  
  
  
  Adjust Number Range:
  
  If the number range is exhausted, you can extend it by adding more numbers. This can be done in the same SNRO transaction.
  Make sure to activate the new number range if necessary.
  
  
  
  Review Authorizations:
  
  Check the user’s authorizations to ensure they have the necessary permissions to create change tasks.
  You can use transaction SU53 to analyze authorization issues after the error occurs.
  
  
  
  Check Transport Management Configuration:
  
  Ensure that the transport management system is correctly configured. You can check this in transaction STMS.
  Verify that the transport routes and layers are correctly set up.
  
  
  
  System Consistency Check:
  
  Run a consistency check on the transport directory and the change request logs to identify any inconsistencies.
  You can use transaction SE01 to check the change requests and their statuses.
  
  
  
  Consult SAP Notes:
  
  Check the SAP Support Portal for any relevant SAP Notes that might address this specific error. There may be patches or updates that resolve known issues.
  
  
  
  Contact SAP Support:
  
  If the issue persists after trying the above solutions, consider reaching out to SAP support for further assistance.
  
  
  
  Related Information:
  
  
  Transaction Codes: 
  
  SNRO - Number Range Objects
  STMS - Transport Management System
  SE01 - Transport Organizer
  SU53 - Authorization Check
  
  
  
  Documentation: Review SAP documentation related to change management and transport requests for best practices and configuration guidelines.
  
  
  By following these steps, you should be able to diagnose and resolve the ECM544 error in your SAP system.