3259740 - Invoice status update for cancelled invoice (MR8M) is not reaching CIG for AN Initiated Invoices

When an invoice created in Ariba Network (AN) reaches ERP, it can be cancelled on ERP using transaction MR8M. When the invoice is cancelled using this transaction, the Cancelled status is not reaching Cloud Integration Gateway(CIG). 

The same problem is seen when the Invoice is cancelled in the target system.

KBA , BNS-ARI-CI-AN , CIG Add-on for SAP Business Network Integration , How To