BAPI Connection Error SAP BTP

[joaogoes1]

Hello experts,

I'm experimenting with the trial version of SAP BTP and I need some help figuring it out how to follow this tutorial:
https://developers.sap.com/tutorials/spa-bapi-actiongroup.html

So, I'm trying to create an action group but I'm failing when it comes to the connection to SAP on-premise.

It's giving me the error of this note 3422487 - Error: Unable to set connection, but the resolution just points at more of the same.

I'm following the https://help.sap.com/docs/intelligent-robotic-process-automation/cloud-studio-user-guide/best-practi... to setup the basic connection but how can I setup a basic connection without putting the server application IP address?
I'm probably missing something, do you have any idea what could be?

Thank you