How To Fix VF781 - Log. system specified for billing document &1 doesn't match local system.

SAP Error Message - Details

• Message type: E = Error

• Message class: VF - Billing

• Message number: 781

• Message text: Log. system specified for billing document &1 doesn't match local system.

What causes this issue?

A remote system attempted to update the clearing status of a billing
document in your local system via remote function call (RFC).
However, the remote system specified that the billing document belongs
to a logical system that doesn?t correspond to your local system.

System Response

The system cannot update the clearing status of the billing document.

How to fix this error?

Contact a system administrator to verify that the RFC connection between
both systems is configured correctly and try again.

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.