Facing problem while connecting to the development server through Adobe Express

I have set-up the add-on in my local machine and while I am trying to connect it to the adobe express but it is showing me this error :-

even though the add-on is running on my machine. I am using the Ubuntu OS and Vs Code as code editor

Community Manager

This seems like you might be talking about building an Add-on for Adobe Express, and not, in fact, using the Adobe Embed SDK.

That said, I don't think Adobe Express itself is supported on the Ubuntu OS. Here's a list of system requirements: https://helpx.adobe.com/express/get-set-up/learn-the-basics/web-technical-requirements.html

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