How To Fix MPE_RTG_UI155 - Change record &1 already exists

SAP Error Message - Details

• Message type: E = Error

• Message class: MPE_RTG_UI - Messages for Routing Maintenance

• Message number: 155

• Message text: Change record &1 already exists

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message MPE_RTG_UI155 - Change record &1 already exists ?

  The SAP error message MPE_RTG_UI155 with the description "Change record &1 already exists" typically occurs in the context of managing change records in SAP, particularly when dealing with master data or configuration changes. This error indicates that there is an attempt to create or modify a change record that already exists in the system.
  Cause:
  
  
  Duplicate Change Record: The most common cause of this error is that a change record with the same identifier (e.g., change record number) already exists in the system. This can happen if:
  
  A user is trying to create a new change record without checking for existing ones.
  There is a system or user error that leads to the same change record being submitted multiple times.
  
  
  
  Concurrency Issues: If multiple users or processes are trying to create or modify the same change record simultaneously, it can lead to conflicts and this error.
  
  
  Data Integrity Issues: There may be issues with data integrity or consistency in the database, leading to unexpected behavior when trying to create change records.
  
  
  Solution:
  
  
  Check Existing Change Records: Before creating a new change record, check if a change record with the same identifier already exists. You can do this by querying the relevant database table or using transaction codes that allow you to view change records.
  
  
  Use Unique Identifiers: Ensure that the identifiers used for change records are unique. If you are generating these identifiers programmatically, implement checks to prevent duplicates.
  
  
  Review User Actions: If multiple users are involved, ensure that they are aware of the changes being made and coordinate to avoid conflicts.
  
  
  Error Handling in Code: If this error is occurring in a custom program or enhancement, implement error handling to catch this specific error and provide a user-friendly message or alternative actions.
  
  
  Consult Documentation: Review SAP documentation or notes related to the specific module you are working with, as there may be specific guidelines or patches available.
  
  
  Contact SAP Support: If the issue persists and you cannot identify the cause, consider reaching out to SAP support for assistance. They may provide insights based on the specific version of SAP you are using.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes that deal with change records, such as MIGO, MB1A, or others depending on the context.
  SAP Notes: Search for SAP Notes related to the error message or the specific module you are working with. SAP Notes often contain fixes or workarounds for known issues.
  System Logs: Check system logs (transaction SM21) for any additional error messages or warnings that may provide more context about the issue.
  
  By following these steps, you should be able to diagnose and resolve the error message MPE_RTG_UI155 effectively.