Account determination not possible for key &1, posting area &2

What causes this issue?

The system could find no entry for the following key combinations in
the entries for account determination:

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

Chart of accounts,,&V3&,,
Posting area,,&V2&,,
Key,,&V1&,,
Field names,,&V4&,,

How to fix this error?

Procedure for System Administrators

Check and if necessary change the corresponding fields for account
determination in Customizing for Contract Accounts Receivable/Payable.
If the error message occurred in dialog mode or in a payment lot, you
can also execute the function for analyzing errors:
IF &DEVICE& = 'SCREEN'
<DS:TRAN.FQCE>Error analysis</>
ENDIF
The function displays a list of unsuccessful access attempts.
If the data required for analyzing the error is no longer available,
display the long text for a message displayed in a job log.

Error message extract from SAP system. Copyright SAP SE.