How To Fix AO035 - External number &1 for approp. request already exists. Please correct.

SAP Error Message - Details

• Message type: E = Error

• Message class: AO - Appropriation requests - Master data / Customizing

• Message number: 035

• Message text: External number &1 for approp. request already exists. Please correct.

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message AO035 - External number &1 for approp. request already exists. Please correct. ?

  The SAP error message AO035 indicates that there is an attempt to create or process an external number (such as a document number or request number) that already exists in the system. This typically occurs in the context of Asset Accounting (FI-AA) or similar modules where unique identifiers are required for transactions.
  Cause:
  
  Duplicate Entry: The most common cause of this error is that the external number you are trying to use has already been assigned to another request or document in the system.
  Incorrect Configuration: There may be issues with the configuration of number ranges or external number assignment in the relevant module.
  Data Migration Issues: If data has been migrated from another system, there may be conflicts with existing numbers.
  User Error: The user may have mistakenly entered a number that is already in use.
  
  Solution:
  
  Check Existing Numbers: Verify if the external number you are trying to use is already in the system. You can do this by searching for the number in the relevant transaction or table.
  Use a Different Number: If the number is already in use, you will need to select a different external number that is not currently assigned.
  Review Number Range Configuration: Check the configuration of number ranges in the system to ensure that they are set up correctly and that there are no overlaps or gaps.
  Consult with IT or SAP Support: If you are unable to resolve the issue, it may be necessary to consult with your IT department or SAP support for further assistance.
  Data Cleanup: If the error is due to data migration, you may need to clean up the data to remove duplicates or reassign numbers.
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like OAVN (for number range management) or other relevant transactions to check and manage number ranges.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Documentation: Review SAP documentation for Asset Accounting or the specific module you are working with to understand how external numbers are managed.
  
  By following these steps, you should be able to identify the cause of the AO035 error and implement a solution to resolve it.