How To Fix 62777 - Correction items already posted. Changes are possible

62777 - Overview

• Message type: E = Error

• Message class: 62 - Message Texts for Real Estate

• Message number: 777

• Message text: Correction items already posted. Changes are possible

What causes this issue?

Invoices have already been assigned to the selected correction items.
However, changes to correction item data have no retroactive effect on
the previously assigned invoices. All changes are recorded in change
documents.

Error message extract from SAP system. Copyright SAP SE.

62777 - Details

• The SAP error message "62777: Correction items already posted. Changes are possible" typically occurs in the context of financial transactions, particularly when dealing with correction postings in the SAP system. This error indicates that there are already correction items that have been posted for a particular transaction, and as a result, changes to the original transaction may not be allowed.
  
  Cause:
  
  Existing Correction Items: The primary cause of this error is that there are already correction items associated with the transaction you are trying to modify. This can happen if a previous correction was made, and the system is preventing further changes to maintain data integrity.
  Transaction Locking: The transaction may be locked due to ongoing processes or other users accessing the same data.
  Configuration Settings: Certain configuration settings in the SAP system may restrict changes to transactions that have already been corrected.
  
  
  Solution:
  
  Review Correction Items: Check the transaction history to see if there are