3636069 - Authorization error when using API API_CV_ATTACHMENT_SRV to create or retrieve attachment in supplier invoice

When using API API_CV_ATTACHMENT_SRV to create or retrieve attachment in supplier invoice, error "User has no authorization for operation XX on object BUS2081" occurs.

SAP S/4HANA Cloud Public Edition

The authorization to read or create supplier invoice attachment is only provided by the communication scenario SAP_COM_0057. If the user is not setup to use this communication scenario, the authorization error message will be issued.

Setup either a new user for SAP_COM_0057 or use the user in a new communication arrangement for SAP_COM_0057.

API_CV_ATTACHMENT_SRV, supplier invoice, attachment, read, create, authorization, BUS2081, communication scenario, SAP_COM_0057, communication arrangement , KBA , MM-FIO-IV-2CL , Fiori UI for Invoice Verification (Public Cloud) , Problem