How To Fix AC436 - Migrated year-end closing &1 cannot be undone

AC436 - Overview

• Message type: E = Error

• Message class: AC - Error messages from Asset Customizing

• Message number: 436

• Message text: Migrated year-end closing &1 cannot be undone

What causes this issue?

You are trying to undo the year-end closing for fiscal year &V1&.
However, the migration from SAP ERP to SAP S/4HANA Finance has already
taken place for this fiscal year.

System Response

Year-end closings of Asset Accounting that were created with SAP ERP and
migrated to SAP S/4HANA Finance can<ZH>not</> be repeated due to the
different architecture.
It is therefore <ZH>not</> possible to open these fiscal years again.

How to fix this error?

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message AC436 - Migrated year-end closing &1 cannot be undone ?

  The SAP error message AC436, which states "Migrated year-end closing &1 cannot be undone," typically occurs in the context of Asset Accounting (FI-AA) when there is an attempt to reverse or undo a year-end closing process that has already been migrated to the new fiscal year. This error indicates that the year-end closing for the specified fiscal year cannot be reversed due to the migration process.
  
  Cause:
  
  Year-End Closing Completed: The year-end closing process for the specified fiscal year has been completed and migrated, meaning that the financial data has been finalized and cannot be altered.
  Data Integrity: SAP enforces data integrity rules to ensure that once the year-end closing is finalized, it cannot be undone to prevent inconsistencies in financial reporting.
  Configuration Settings: Certain configuration settings in the Asset Accounting module may prevent the reversal of year-end closings.
  
  
  Solution:
  
  Check Migration Status: Verify if the year-end closing has indeed been migrated. If it has, you