How To Fix AA191 - Depreciation key & should no longer be changed (Please check)

SAP Error Message - Details

• Message type: E = Error

• Message class: AA - Messages for Asset Accounting

• Message number: 191

• Message text: Depreciation key & should no longer be changed (Please check)

What causes this issue?

You changed depreciation key &V1&. The asset has been posted to
already. As a result of changing the depreciation key, the planned
depreciation in open fiscal years will be recalculated.

System Response

The system automatically starts the depreciation recalculation.

How to fix this error?

RESET N1
Check the change to the depreciation key again.
Confirm you want to make the change by pressing ENTER.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message AA191 - Depreciation key & should no longer be changed (Please check) ?

  The SAP error message AA191 indicates that there is an issue with the depreciation key assigned to an asset. Specifically, it suggests that the depreciation key should not be changed for the asset in question. This error typically arises when there is an attempt to modify the depreciation key after the asset has already been placed in service or has been subjected to depreciation calculations.
  
  Cause:
  
  Asset Already in Use: The depreciation key is linked to the asset's depreciation calculation. If the asset has already been capitalized and depreciation has been posted, changing the depreciation key can lead to inconsistencies in financial reporting.
  
  Configuration Issues: The depreciation key may be configured in a way that does not allow changes after certain conditions are met (e.g., after the asset has been fully capitalized).
  Incorrect Transaction: The transaction being performed may not allow for changes to the depreciation key due to the current status of the