Prepayment document could not be created (See messages)

What causes this issue?

A prepayment has been requested for this invoice document. However, the
system was unable to create the prepayment document.
INCLUDE MM_IV_MELDUNGEN OBJECT DOKU ID TX

System Response

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

How to fix this error?

Check the message log for the invoice.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.