How To Fix AC298 - Depreciation key $ is already defined

SAP Error Message - Details

• Message type: E = Error

• Message class: AC - Error messages from Asset Customizing

• Message number: 298

• Message text: Depreciation key $ is already defined

What causes this issue?

You tried to create a new depreciation key by copying. The
depreciation key &V1& that you tried to create is already defined.

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?

Correct your entry.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message AC298 - Depreciation key $ is already defined ?

  The SAP error message AC298, which states "Depreciation key $ is already defined," typically occurs when there is an attempt to create or modify a depreciation key in the Asset Accounting (FI-AA) module that already exists in the system. This can happen during configuration or when trying to assign a depreciation key to an asset.
  Cause:
  
  Duplicate Depreciation Key: The most common cause of this error is that the depreciation key you are trying to create or modify already exists in the system.
  Incorrect Configuration: There may be an attempt to configure a depreciation key that has not been properly defined or is conflicting with existing keys.
  Data Entry Error: A typographical error in the depreciation key name can lead to confusion, making it seem like a new key is being created when it is actually a duplicate.
  
  Solution:
  
  
  Check Existing Depreciation Keys:
  
  Go to the transaction code OAYD (or OAYE for depreciation key configuration) to view the list of existing depreciation keys.
  Verify if the depreciation key you are trying to create already exists.
  
  
  
  Modify or Use Existing Key:
  
  If the key already exists, consider using it instead of creating a new one.
  If you need to modify the existing key, ensure that you have the necessary authorizations and that the changes do not conflict with existing configurations.
  
  
  
  Delete or Rename:
  
  If you find that the existing key is not needed, you may consider deleting it (if it is not in use) or renaming it if that fits your business requirements.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or configuration guides related to Asset Accounting and depreciation keys to ensure you are following the correct procedures.
  
  
  
  Check for Customizations:
  
  If your organization has custom developments or enhancements, check if there are any custom logic or configurations that might be causing this issue.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  OAYD: Depreciation Key Configuration
  OAYE: Display Depreciation Key
  AS01: Create Asset
  AS02: Change Asset
  AS03: Display Asset
  
  
  
  SAP Notes: Check SAP Notes for any known issues or patches related to depreciation keys and Asset Accounting.
  
  
  User Authorizations: Ensure that you have the necessary authorizations to create or modify depreciation keys in the system.
  
  
  By following these steps, you should be able to resolve the AC298 error and proceed with your asset accounting tasks. If the issue persists, consider reaching out to your SAP support team for further assistance.