How To Fix FAR_API_PA_MSG027 - Update for key field &1 is not allowed.

SAP Error Message - Details

• Message type: E = Error

• Message class: FAR_API_PA_MSG -

• Message number: 027

• Message text: Update for key field &1 is not allowed.

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message FAR_API_PA_MSG027 - Update for key field &1 is not allowed. ?

  The SAP error message FAR_API_PA_MSG027, which states "Update for key field &1 is not allowed," typically occurs in the context of the Fixed Asset Accounting (FI-AA) module when there is an attempt to update a key field in a record that is not permitted. Key fields are critical identifiers in the database, and changes to them are often restricted to maintain data integrity.
  Cause:
  
  Key Field Modification: The error usually arises when there is an attempt to modify a key field (like asset number, company code, etc.) in a record that is not allowed to be changed after it has been created.
  Data Integrity Rules: SAP has built-in rules to prevent changes to certain fields that could compromise the integrity of the data.
  Transaction Type: The type of transaction being executed may not allow updates to key fields.
  Authorization Issues: Sometimes, the user may not have the necessary authorizations to perform the update.
  
  Solution:
  
  Review the Update Attempt: Check the specific field that is being updated and ensure that it is not a key field. If it is, consider whether the update is necessary or if it can be achieved through a different method.
  Use Correct Transactions: Ensure that you are using the correct transaction codes for the intended operation. For example, if you need to change an asset, use the appropriate transaction for changing asset master data.
  Consult Documentation: Refer to SAP documentation or help files for the specific module to understand which fields are considered key fields and the rules surrounding them.
  Check Authorizations: Ensure that the user has the necessary authorizations to perform the update. If not, contact your SAP security administrator to review and adjust the permissions.
  Data Migration: If this error occurs during data migration or upload, ensure that the data being uploaded does not attempt to change key fields. You may need to adjust your data mapping or transformation logic.
  Contact SAP Support: If the issue persists and you believe it should not be occurring, consider reaching out to SAP support for further assistance.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional context.
  Transaction Codes: Familiarize yourself with relevant transaction codes in the FI-AA module, such as AS01 (Create Asset), AS02 (Change Asset), and AS03 (Display Asset).
  Data Model: Understanding the data model of Fixed Asset Accounting can help clarify which fields are key and how they relate to each other.
  Testing: If you are in a development or testing environment, try replicating the issue with different data to better understand the conditions that lead to the error.
  
  By following these steps, you should be able to identify the cause of the error and implement a suitable solution.