The billing doc transfer for the preceding doc &1 &2 has been rejected.

What causes this issue?

Due to a mistake in the SD interface to accounting, the billing document
for the preceding document &V1& with the item &V2& has not been
transferred.

System Response

The system stops further processing of the document created for the
preceding document above.

How to fix this error?

Analyze the error scenario by paying attention to the error messages,
which have been recorded directly online and during background
processing in the collective log. After solving the problem, you can
repeat the billing procedure for the specified preceding document.

Error message extract from SAP system. Copyright SAP SE.