& is not a valid negotiated payment type, pls. use RECEIVABLE or PAYABLE

What causes this issue?

& is not a valid entry for the LIA negotiated payment type.

System Response

Error

How to fix this error?

Please use RECEIVABLE or PAYABLE instead.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.