How To Fix VF169 - Document &1 cannot be processed in this transaction with billing type &2.

SAP Error Message - Details

• Message type: E = Error

• Message class: VF - Billing

• Message number: 169

• Message text: Document &1 cannot be processed in this transaction with billing type &2.

What causes this issue?

You attempted to process billing document &V1& with billing type &V2&
from within transaction &V3&. This is not possible because the billing
type field is either blank or contains a cancellation billing type.

System Response

Processing is rejected.

How to fix this error?

If the billing type is blank, you can continue processing by entering a
billing type within the billing data.
If the billing type is a cancellation billing type, use transaction
VF11.

Error message extract from SAP system. Copyright SAP SE.