How To Fix AA484 - Internal error, LNRAN duplicated (Notify system manager)

SAP Error Message - Details

• Message type: E = Error

• Message class: AA - Messages for Asset Accounting

• Message number: 484

• Message text: Internal error, LNRAN duplicated (Notify system manager)

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message AA484 - Internal error, LNRAN duplicated (Notify system manager) ?

  The SAP error message AA484 ("Internal error, LNRAN duplicated (Notify system manager)") typically occurs in the Asset Accounting (FI-AA) module when there is a duplication in the internal number range for asset numbers. This can happen due to various reasons, such as incorrect configuration, data inconsistencies, or issues during data migration.
  Cause:
  
  Duplicate Number Ranges: The error indicates that there are duplicate entries in the number range for asset numbers, which violates the uniqueness requirement.
  Configuration Issues: Incorrect configuration of number ranges in the Asset Accounting settings can lead to this error.
  Data Migration Issues: If assets were migrated from another system or if there were manual entries that did not adhere to the number range settings, this could cause duplication.
  System Bugs: Occasionally, internal errors can arise from bugs in the SAP system or inconsistencies in the database.
  
  Solution:
  
  
  Check Number Range Configuration:
  
  Go to the transaction code OAOA (Define Number Ranges for Assets) and verify the number range settings for asset numbers.
  Ensure that the number ranges are correctly defined and do not overlap.
  
  
  
  Check for Duplicates:
  
  Use transaction code SE16N to access the relevant database table (e.g., ANLA for asset master data) and check for duplicate entries.
  If duplicates are found, you may need to delete or correct them.
  
  
  
  Adjust Number Range:
  
  If the number range is exhausted or incorrectly set, you may need to adjust it. You can do this in the same configuration area (OAOA).
  Ensure that the number range is set to allow for the creation of new asset numbers without duplication.
  
  
  
  Consult SAP Notes:
  
  Check the SAP Support Portal for any relevant SAP Notes that may address this specific error. There may be patches or updates that resolve known issues.
  
  
  
  Notify System Manager:
  
  Since the error message suggests notifying the system manager, it is advisable to escalate the issue to your SAP Basis or technical team for further investigation and resolution.
  
  
  
  System Logs:
  
  Review system logs (transaction code SM21) for any additional error messages or warnings that may provide more context about the issue.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  OAOA: Define Number Ranges for Assets
  ANLA: Asset Master Data
  SE16N: General Table Display
  SM21: System Log
  
  
  
  SAP Documentation: Refer to the official SAP documentation for Asset Accounting for detailed information on number range configuration and management.
  
  
  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 necessary to involve SAP support for a deeper investigation into the internal error.