No company has been specified for company code &

What causes this issue?

The transaction you want to post entails clearing postings between
company codes. The company ID (affiliated company) is stored in the FI
document for company code of your trading partner (&V1&). However, the
company which belongs to company code &V1& has not yet been defined in
the system.

System Response

The system cannot make the posting.

How to fix this error?

Procedure for your system administrator: allocate a company to the
company code.
IF &DEVICE& = 'SCREEN'
<DS:TRAN.OBY6>Proceed</>
ENDIF

Error message extract from SAP system. Copyright SAP SE.