How To Fix FDM_INVHISTORY012 - Posting item &1 is posted to customer &3 and not customer &2

FDM_INVHISTORY012 - Overview

• Message type: E = Error

• Message class: FDM_INVHISTORY - Messages for Invoice History

• Message number: 012

• Message text: Posting item &1 is posted to customer &3 and not customer &2

Self-Explanatory Message

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FDM_INVHISTORY012 - Details

• The SAP error message FDM_INVHISTORY012 indicates that there is a discrepancy in the customer account during a posting operation. Specifically, it states that the posting item is associated with one customer (customer &3) but is being attempted for another customer (customer &2). This typically occurs in the context of financial document processing, particularly in accounts receivable or accounts payable scenarios.
  
  Cause:
  
  Incorrect Customer Assignment: The document you are trying to post is linked to a different customer than the one you are attempting to post it to. This can happen if the document was created or modified with the wrong customer information.
  Data Entry Errors: Manual entry errors during the creation of invoices or postings can lead to mismatched customer accounts.
  Document Flow Issues: If there are related documents (like invoices, credit memos, etc.) that reference different customers, it can cause inconsistencies.
  
  Configuration Issues: There may be configuration settings in the system that enforce strict