How To Fix ML4HMASTER102 - Reverse the closing entries for material &1 in the following period

ML4HMASTER102 - Overview

• Message type: E = Error

• Message class: ML4HMASTER - Message Class for ML4H Masterdata

• Message number: 102

• Message text: Reverse the closing entries for material &1 in the following period

What causes this issue?

You want to post or reverse the closing entries for material &V1& in
costing run &V2&. However, you have already posted the closing entries
in the following period.

System Response

The closing entries cannot be posted or reversed for the material in the
costing run you entered.

How to fix this error?

If you want to post or reverse the closing entries for the material in
the costing run you entered, you must first reverse the closing entries
of the following period.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

ML4HMASTER102 - Details

• The SAP error message ML4HMASTER102 indicates that there is an issue with reversing closing entries for a material in a specific period. This typically occurs in the context of Material Ledger (ML) and can arise when you attempt to make changes to a period that has already been closed for posting.
  
  Cause:
  
  Closed Period: The most common cause of this error is that the period you are trying to reverse entries for has already been closed. In SAP, once a period is closed, no further postings or reversals can be made for that period.
  Material Ledger Settings: The Material Ledger may have specific settings that prevent changes to closed periods.
  Incorrect Transaction: You may be trying to perform a transaction that is not allowed in the current state of the material or the period.
  
  
  Solution:
  
  Open the Period: If you have the necessary authorizations, you can open the period in question. This is done through the