Amount &1 &2 could not be posted

What causes this issue?

According to the +/- sign, the amount is a payment. The automatic
processing of a payment is however not supported by the installed
clearing algorithm for clearing type &V3&.

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 +/- sign for the payment and process the posting transaction
manually if necessary.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.