How To Fix VSB259 - Billing document &1 could not be changed

SAP Error Message - Details

• Message type: E = Error

• Message class: VSB - Self-Billing Procedure Messages

• Message number: 259

• Message text: Billing document &1 could not be changed

What causes this issue?

The transferred reference number could not be copied into SD billing
document &V1&.
Either the billing document does not exist, or there is a database
problem.

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

Status of the database operation (read or change) was: &V2&

System Response

How to fix this error?

Error message extract from SAP system. Copyright SAP SE.