3494748 - Cannot edit business system in Communication System - SAP S/4HANA Cloud

Cannot maintain business system in the communication system.

SAP S/4HANA Cloud Public Edition

1.Access communication system in app "Communication Systems" 

2.Edit the communication system but cannot maintain Business System in Technical Data

The Communication System has this message "This is your own SAP Cloud System".

If the Communication System has message ""This is your own SAP Cloud System", it is not editable.

It's not possible to use it in Communication Scenarios where is mandatory to maintain a Business System ID, therefore, another Communication System should be used or a new one should be created to proceed with your integration.

2820166 - Error "Enter a Business System ID" is Raised When Trying to Save a Communication Arrangement in SAP S/4HANA Cloud

Business System, Communication System , KBA , BC-SRV-APS-COM , Maintain Communication System and Arrangement , Problem