AA991 - Ch.of dep.-depend. data from ch.of dep. &1 in asset class &2 was unlocked

SAP Error Message - Details

• Message type: E = Error

• Message class: AA - Messages for Asset Accounting

• Message number: 991

• Message text: Ch.of dep.-depend. data from ch.of dep. &1 in asset class &2 was unlocked

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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AnswerBot

• What is the cause and solution for SAP error message AA991 - Ch.of dep.-depend. data from ch.of dep. &1 in asset class &2 was unlocked ?

  The SAP error message AA991 indicates that there is an issue with the change of depreciation data for an asset in a specific asset class. This error typically arises when there is an inconsistency or conflict in the asset's depreciation data, particularly when trying to unlock or modify the data.
  Cause:
  
  Inconsistent Data: The error often occurs when there are inconsistencies in the depreciation data for the asset. This can happen if the asset has been modified in a way that conflicts with existing data.
  Locked Data: The depreciation data may be locked due to previous transactions or settings that prevent changes from being made.
  Asset Class Configuration: There may be issues with the configuration of the asset class itself, which can lead to problems when trying to change depreciation data.
  
  Solution:
  
  Check Asset Data: Review the asset master data and ensure that all required fields are correctly filled out and consistent. Look for any discrepancies in the depreciation areas.
  Unlock the Asset: If the asset is locked, you may need to unlock it. This can typically be done through transaction codes like AS02 (Change Asset) or AS03 (Display Asset) to check the status of the asset.
  Review Depreciation Areas: Ensure that the depreciation areas are correctly set up and that there are no conflicts in the configuration of the asset class.
  Transaction Logs: Check transaction logs for any recent changes made to the asset that could have caused the issue. This can help identify if a recent change led to the error.
  Consult Documentation: Refer to SAP documentation or notes related to asset accounting for any specific guidance on handling this error.
  Contact Support: If the issue persists, consider reaching out to SAP support or your internal SAP team for further assistance.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as AS01 (Create Asset), AS02 (Change Asset), and AS03 (Display Asset) for managing asset data.
  Asset Accounting Configuration: Understanding the configuration settings for asset classes and depreciation areas in the SAP system can help prevent similar issues in the future.
  SAP Notes: Check for any SAP Notes related to error AA991, as they may provide specific fixes or workarounds for known issues.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.