I am trying to follow these learning:
https://microsoftlearning.github.io/mslearn-ai-fundamentals/Instructions/Labs/03-image-analysis.html
on the "On the Select a resource to work with page, hover your mouse cursor over the resource you created above in the list and then check the box to the left of the resource name, then select Select as default resource." I found myself having the exact same error as OP. Steps to recreate error are inside these learning
tldr is to create Azure AI services resource inside azure but trying to find that inside a Vision Studio