How To Fix AC070 - Target and source calculation keys are identical

SAP Error Message - Details

• Message type: E = Error

• Message class: AC - Error messages from Asset Customizing

• Message number: 070

• Message text: Target and source calculation keys are identical

What causes this issue?

You specified the same key as both target and source key when copying
the calculation key. It is not possible to copy a calculation key to
itself.

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?

Specify a key that does not already exist as target calculation key.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message AC070 - Target and source calculation keys are identical ?

  The SAP error message AC070, which states "Target and source calculation keys are identical," typically occurs in the context of asset accounting when you are trying to perform a transaction that involves the transfer or calculation of asset values. This error indicates that the system has detected that the target and source calculation keys are the same, which is not allowed in the context of the operation you are trying to perform.
  Cause:
  
  Identical Calculation Keys: The most common cause of this error is that the source and target calculation keys used in the transaction are the same. This can happen if you are trying to transfer values or perform calculations that require different keys for source and target.
  Configuration Issues: There may be a configuration issue in the asset accounting settings where the calculation keys are not set up correctly.
  User Input Error: The user may have inadvertently selected the same calculation key for both the source and target.
  
  Solution:
  
  Check Calculation Keys: Review the calculation keys you are using in the transaction. Ensure that the source and target calculation keys are different. You may need to select a different target calculation key that is appropriate for the operation you are performing.
  Review Configuration: If you suspect a configuration issue, check the settings in the Asset Accounting module. Ensure that the calculation keys are set up correctly and that they are intended for the operations you are performing.
  Consult Documentation: Refer to SAP documentation or help resources for guidance on the specific transaction you are trying to execute. This may provide insights into the correct usage of calculation keys.
  Seek Help from SAP Support: If you are unable to resolve the issue, consider reaching out to SAP support or your internal SAP team for assistance. They may have additional tools or insights to help diagnose the problem.
  
  Related Information:
  
  Transaction Codes: The error may occur in various transaction codes related to asset accounting, such as ABUMN (Transfer within Company Code), ABT1N (Transfer between Company Codes), or others.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide updates or patches that could resolve the issue.
  User Training: Ensure that users involved in asset accounting are trained on the correct procedures for using calculation keys to avoid similar errors in the future.
  
  By following these steps, you should be able to identify the cause of the AC070 error and implement a solution to resolve it.