You are using MindConnect Node-RED node which was created as an opensource project:
https://opensource.mindsphere.io/docs/node-red-contrib-mindconnect/
You have a questions or issues about using it, but you don't know where to ask.
There is no selection for the MindConnect Node-RED node in Support Center selection.
Solution
As the MindConnect Node-RED node is an open-source project, Support Center does not offer support for it.
Instead you can post your inquiry to our community site.
https://community.sw.siemens.com/s/topic/0TO4O000000YT7BWAW/mindsphere-categories
People are actively communicating there and hopefully you will get a reply within a short timeframe.
Notes
Our product 'Visual Flow Creator' is based on Node-RED, but maintained and operated by our MindSphere R&D team.
You can submit issues or requests for the Visual Flow Creator products as case via Support Center.