How To Fix FMPP1066 - Internal error: Remaining amount falls below total invoice amount

FMPP1066 - Overview

• Message type: E = Error

• Message class: FMPP1 - Partial Payment by Fund: Messages

• Message number: 066

• Message text: Internal error: Remaining amount falls below total invoice amount

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message FMPP1066 - Internal error: Remaining amount falls below total invoice amount ?

  The SAP error message FMPP1066, which states "Internal error: Remaining amount falls below total invoice amount," typically occurs in the context of invoice processing, particularly when dealing with financial documents such as invoices, credit memos, or payment processing. This error indicates that there is a discrepancy between the amounts being processed and the expected amounts in the system.
  Causes:
  
  Data Entry Errors: Incorrect amounts may have been entered in the invoice or payment documents.
  Incomplete Document Processing: If an invoice or payment has not been fully processed or has been partially reversed, it may lead to inconsistencies in the amounts.
  
  Configuration Issues: There may be issues with the configuration of the financial modules in SAP, leading to incorrect calculations or validations.
  System Bugs: Occasionally, internal errors can arise from bugs in the SAP system or issues with the underlying database.
  
  Solutions:
  
  Verify Amounts: Check the amounts entered in the invoice and ensure they match the expected values.